diff --git a/test/parallel/test-sqlite-data-types.js b/test/parallel/test-sqlite-data-types.js
new file mode 100644
index 00000000000000..582d5bd611edf4
--- /dev/null
+++ b/test/parallel/test-sqlite-data-types.js
@@ -0,0 +1,157 @@
+// Flags: --experimental-sqlite
+'use strict';
+require('../common');
+const tmpdir = require('../common/tmpdir');
+const { join } = require('node:path');
+const { DatabaseSync } = require('node:sqlite');
+const { suite, test } = require('node:test');
+let cnt = 0;
+
+tmpdir.refresh();
+
+function nextDb() {
+  return join(tmpdir.path, `database-${cnt++}.db`);
+}
+
+suite('data binding and mapping', () => {
+  test('supported data types', (t) => {
+    const u8a = new TextEncoder().encode('a☃b☃c');
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(`
+      CREATE TABLE types(
+        key INTEGER PRIMARY KEY,
+        int INTEGER,
+        double REAL,
+        text TEXT,
+        buf BLOB
+      ) STRICT;
+    `);
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO types (key, int, double, text, buf) ' +
+      'VALUES (?, ?, ?, ?, ?)');
+    t.assert.deepStrictEqual(
+      stmt.run(1, 42, 3.14159, 'foo', u8a),
+      { changes: 1, lastInsertRowid: 1 },
+    );
+    t.assert.deepStrictEqual(
+      stmt.run(2, null, null, null, null),
+      { changes: 1, lastInsertRowid: 2 }
+    );
+    t.assert.deepStrictEqual(
+      stmt.run(3, Number(8), Number(2.718), String('bar'), Buffer.from('x☃y☃')),
+      { changes: 1, lastInsertRowid: 3 },
+    );
+    t.assert.deepStrictEqual(
+      stmt.run(4, 99n, 0xf, '', new Uint8Array()),
+      { changes: 1, lastInsertRowid: 4 },
+    );
+
+    const query = db.prepare('SELECT * FROM types WHERE key = ?');
+    t.assert.deepStrictEqual(query.get(1), {
+      key: 1,
+      int: 42,
+      double: 3.14159,
+      text: 'foo',
+      buf: u8a,
+    });
+    t.assert.deepStrictEqual(query.get(2), {
+      key: 2,
+      int: null,
+      double: null,
+      text: null,
+      buf: null,
+    });
+    t.assert.deepStrictEqual(query.get(3), {
+      key: 3,
+      int: 8,
+      double: 2.718,
+      text: 'bar',
+      buf: new TextEncoder().encode('x☃y☃'),
+    });
+    t.assert.deepStrictEqual(query.get(4), {
+      key: 4,
+      int: 99,
+      double: 0xf,
+      text: '',
+      buf: new Uint8Array(),
+    });
+  });
+
+  test('unsupported data types', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+
+    [
+      undefined,
+      () => {},
+      Symbol(),
+      /foo/,
+      Promise.resolve(),
+      new Map(),
+      new Set(),
+    ].forEach((val) => {
+      t.assert.throws(() => {
+        db.prepare('INSERT INTO types (key, val) VALUES (?, ?)').run(1, val);
+      }, {
+        code: 'ERR_INVALID_ARG_TYPE',
+        message: /Provided value cannot be bound to SQLite parameter 2/,
+      });
+    });
+
+    t.assert.throws(() => {
+      const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, $v)');
+      stmt.run({ $k: 1, $v: () => {} });
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      message: /Provided value cannot be bound to SQLite parameter 2/,
+    });
+  });
+
+  test('throws when binding a BigInt that is too large', (t) => {
+    const max = 9223372036854775807n; // Largest 64-bit signed integer value.
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO types (key, val) VALUES (?, ?)');
+    t.assert.deepStrictEqual(
+      stmt.run(1, max),
+      { changes: 1, lastInsertRowid: 1 },
+    );
+    t.assert.throws(() => {
+      stmt.run(1, max + 1n);
+    }, {
+      code: 'ERR_INVALID_ARG_VALUE',
+      message: /BigInt value is too large to bind/,
+    });
+  });
+
+  test('statements are unbound on each call', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO data (key, val) VALUES (?, ?)');
+    t.assert.deepStrictEqual(
+      stmt.run(1, 5),
+      { changes: 1, lastInsertRowid: 1 },
+    );
+    t.assert.deepStrictEqual(
+      stmt.run(),
+      { changes: 1, lastInsertRowid: 2 },
+    );
+    t.assert.deepStrictEqual(
+      db.prepare('SELECT * FROM data ORDER BY key').all(),
+      [{ key: 1, val: 5 }, { key: 2, val: null }],
+    );
+  });
+});
diff --git a/test/parallel/test-sqlite-database-sync.js b/test/parallel/test-sqlite-database-sync.js
new file mode 100644
index 00000000000000..1bc409926ae446
--- /dev/null
+++ b/test/parallel/test-sqlite-database-sync.js
@@ -0,0 +1,185 @@
+// Flags: --experimental-sqlite
+'use strict';
+require('../common');
+const tmpdir = require('../common/tmpdir');
+const { existsSync } = require('node:fs');
+const { join } = require('node:path');
+const { DatabaseSync, StatementSync } = require('node:sqlite');
+const { suite, test } = require('node:test');
+let cnt = 0;
+
+tmpdir.refresh();
+
+function nextDb() {
+  return join(tmpdir.path, `database-${cnt++}.db`);
+}
+
+suite('DatabaseSync() constructor', () => {
+  test('throws if called without new', (t) => {
+    t.assert.throws(() => {
+      DatabaseSync();
+    }, {
+      code: 'ERR_CONSTRUCT_CALL_REQUIRED',
+      message: /Cannot call constructor without `new`/,
+    });
+  });
+
+  test('throws if database path is not a string', (t) => {
+    t.assert.throws(() => {
+      new DatabaseSync();
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      message: /The "path" argument must be a string/,
+    });
+  });
+
+  test('throws if options is provided but is not an object', (t) => {
+    t.assert.throws(() => {
+      new DatabaseSync('foo', null);
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      message: /The "options" argument must be an object/,
+    });
+  });
+
+  test('throws if options.open is provided but is not a boolean', (t) => {
+    t.assert.throws(() => {
+      new DatabaseSync('foo', { open: 5 });
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      message: /The "options\.open" argument must be a boolean/,
+    });
+  });
+});
+
+suite('DatabaseSync.prototype.open()', () => {
+  test('opens a database connection', (t) => {
+    const dbPath = nextDb();
+    const db = new DatabaseSync(dbPath, { open: false });
+    t.after(() => { db.close(); });
+
+    t.assert.strictEqual(existsSync(dbPath), false);
+    t.assert.strictEqual(db.open(), undefined);
+    t.assert.strictEqual(existsSync(dbPath), true);
+  });
+
+  test('throws if database is already open', (t) => {
+    const db = new DatabaseSync(nextDb(), { open: false });
+    t.after(() => { db.close(); });
+
+    db.open();
+    t.assert.throws(() => {
+      db.open();
+    }, {
+      code: 'ERR_INVALID_STATE',
+      message: /database is already open/,
+    });
+  });
+});
+
+suite('DatabaseSync.prototype.close()', () => {
+  test('closes an open database connection', (t) => {
+    const db = new DatabaseSync(nextDb());
+
+    t.assert.strictEqual(db.close(), undefined);
+  });
+
+  test('throws if database is not open', (t) => {
+    const db = new DatabaseSync(nextDb(), { open: false });
+
+    t.assert.throws(() => {
+      db.close();
+    }, {
+      code: 'ERR_INVALID_STATE',
+      message: /database is not open/,
+    });
+  });
+});
+
+suite('DatabaseSync.prototype.prepare()', () => {
+  test('returns a prepared statement', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const stmt = db.prepare('CREATE TABLE webstorage(key TEXT)');
+    t.assert.ok(stmt instanceof StatementSync);
+  });
+
+  test('throws if database is not open', (t) => {
+    const db = new DatabaseSync(nextDb(), { open: false });
+
+    t.assert.throws(() => {
+      db.prepare();
+    }, {
+      code: 'ERR_INVALID_STATE',
+      message: /database is not open/,
+    });
+  });
+
+  test('throws if sql is not a string', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+
+    t.assert.throws(() => {
+      db.prepare();
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      message: /The "sql" argument must be a string/,
+    });
+  });
+});
+
+suite('DatabaseSync.prototype.exec()', () => {
+  test('executes SQL', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const result = db.exec(`
+      CREATE TABLE data(
+        key INTEGER PRIMARY KEY,
+        val INTEGER
+      ) STRICT;
+      INSERT INTO data (key, val) VALUES (1, 2);
+      INSERT INTO data (key, val) VALUES (8, 9);
+    `);
+    t.assert.strictEqual(result, undefined);
+    const stmt = db.prepare('SELECT * FROM data ORDER BY key');
+    t.assert.deepStrictEqual(stmt.all(), [
+      { key: 1, val: 2 },
+      { key: 8, val: 9 },
+    ]);
+  });
+
+  test('reports errors from SQLite', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+
+    t.assert.throws(() => {
+      db.exec('CREATE TABLEEEE');
+    }, {
+      code: 'ERR_SQLITE_ERROR',
+      message: /syntax error/,
+    });
+  });
+
+  test('throws if database is not open', (t) => {
+    const db = new DatabaseSync(nextDb(), { open: false });
+
+    t.assert.throws(() => {
+      db.exec();
+    }, {
+      code: 'ERR_INVALID_STATE',
+      message: /database is not open/,
+    });
+  });
+
+  test('throws if sql is not a string', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+
+    t.assert.throws(() => {
+      db.exec();
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      message: /The "sql" argument must be a string/,
+    });
+  });
+});
diff --git a/test/parallel/test-sqlite-named-parameters.js b/test/parallel/test-sqlite-named-parameters.js
new file mode 100644
index 00000000000000..27857111953d27
--- /dev/null
+++ b/test/parallel/test-sqlite-named-parameters.js
@@ -0,0 +1,80 @@
+// Flags: --experimental-sqlite
+'use strict';
+require('../common');
+const tmpdir = require('../common/tmpdir');
+const { join } = require('node:path');
+const { DatabaseSync } = require('node:sqlite');
+const { suite, test } = require('node:test');
+let cnt = 0;
+
+tmpdir.refresh();
+
+function nextDb() {
+  return join(tmpdir.path, `database-${cnt++}.db`);
+}
+
+suite('named parameters', () => {
+  test('throws on unknown named parameters', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+
+    t.assert.throws(() => {
+      const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, $v)');
+      stmt.run({ $k: 1, $unknown: 1 });
+    }, {
+      code: 'ERR_INVALID_STATE',
+      message: /Unknown named parameter '\$unknown'/,
+    });
+  });
+
+  test('bare named parameters are supported', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $v)');
+    stmt.run({ k: 1, v: 9 });
+    t.assert.deepStrictEqual(
+      db.prepare('SELECT * FROM data').get(),
+      { key: 1, val: 9 },
+    );
+  });
+
+  test('duplicate bare named parameters are supported', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $k)');
+    stmt.run({ k: 1 });
+    t.assert.deepStrictEqual(
+      db.prepare('SELECT * FROM data').get(),
+      { key: 1, val: 1 },
+    );
+  });
+
+  test('bare named parameters throw on ambiguous names', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, @k)');
+    t.assert.throws(() => {
+      stmt.run({ k: 1 });
+    }, {
+      code: 'ERR_INVALID_STATE',
+      message: 'Cannot create bare named parameter \'k\' because of ' +
+               'conflicting names \'$k\' and \'@k\'.',
+    });
+  });
+});
diff --git a/test/parallel/test-sqlite-statement-sync.js b/test/parallel/test-sqlite-statement-sync.js
new file mode 100644
index 00000000000000..7a4069678af966
--- /dev/null
+++ b/test/parallel/test-sqlite-statement-sync.js
@@ -0,0 +1,273 @@
+// Flags: --experimental-sqlite
+'use strict';
+require('../common');
+const tmpdir = require('../common/tmpdir');
+const { join } = require('node:path');
+const { DatabaseSync, StatementSync } = require('node:sqlite');
+const { suite, test } = require('node:test');
+let cnt = 0;
+
+tmpdir.refresh();
+
+function nextDb() {
+  return join(tmpdir.path, `database-${cnt++}.db`);
+}
+
+suite('StatementSync() constructor', () => {
+  test('StatementSync cannot be constructed directly', (t) => {
+    t.assert.throws(() => {
+      new StatementSync();
+    }, {
+      code: 'ERR_ILLEGAL_CONSTRUCTOR',
+      message: /Illegal constructor/,
+    });
+  });
+});
+
+suite('StatementSync.prototype.get()', () => {
+  test('executes a query and returns undefined on no results', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    let stmt = db.prepare('CREATE TABLE storage(key TEXT, val TEXT)');
+    t.assert.strictEqual(stmt.get(), undefined);
+    stmt = db.prepare('SELECT * FROM storage');
+    t.assert.strictEqual(stmt.get(), undefined);
+  });
+
+  test('executes a query and returns the first result', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    let stmt = db.prepare('CREATE TABLE storage(key TEXT, val TEXT)');
+    t.assert.strictEqual(stmt.get(), undefined);
+    stmt = db.prepare('INSERT INTO storage (key, val) VALUES (?, ?)');
+    t.assert.strictEqual(stmt.get('key1', 'val1'), undefined);
+    t.assert.strictEqual(stmt.get('key2', 'val2'), undefined);
+    stmt = db.prepare('SELECT * FROM storage ORDER BY key');
+    t.assert.deepStrictEqual(stmt.get(), { key: 'key1', val: 'val1' });
+  });
+});
+
+suite('StatementSync.prototype.all()', () => {
+  test('executes a query and returns an empty array on no results', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const stmt = db.prepare('CREATE TABLE storage(key TEXT, val TEXT)');
+    t.assert.deepStrictEqual(stmt.all(), []);
+  });
+
+  test('executes a query and returns all results', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    let stmt = db.prepare('CREATE TABLE storage(key TEXT, val TEXT)');
+    t.assert.deepStrictEqual(stmt.run(), { changes: 0, lastInsertRowid: 0 });
+    stmt = db.prepare('INSERT INTO storage (key, val) VALUES (?, ?)');
+    t.assert.deepStrictEqual(
+      stmt.run('key1', 'val1'),
+      { changes: 1, lastInsertRowid: 1 },
+    );
+    t.assert.deepStrictEqual(
+      stmt.run('key2', 'val2'),
+      { changes: 1, lastInsertRowid: 2 },
+    );
+    stmt = db.prepare('SELECT * FROM storage ORDER BY key');
+    t.assert.deepStrictEqual(stmt.all(), [
+      { key: 'key1', val: 'val1' },
+      { key: 'key2', val: 'val2' },
+    ]);
+  });
+});
+
+suite('StatementSync.prototype.run()', () => {
+  test('executes a query and returns change metadata', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(`
+      CREATE TABLE storage(key TEXT, val TEXT);
+      INSERT INTO storage (key, val) VALUES ('foo', 'bar');
+    `);
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('SELECT * FROM storage');
+    t.assert.deepStrictEqual(stmt.run(), { changes: 1, lastInsertRowid: 1 });
+  });
+
+  test('SQLite throws when trying to bind too many parameters', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO data (key, val) VALUES (?, ?)');
+    t.assert.throws(() => {
+      stmt.run(1, 2, 3);
+    }, {
+      code: 'ERR_SQLITE_ERROR',
+      message: 'column index out of range',
+      errcode: 25,
+      errstr: 'column index out of range',
+    });
+  });
+
+  test('SQLite defaults to NULL for unbound parameters', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER NOT NULL) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO data (key, val) VALUES (?, ?)');
+    t.assert.throws(() => {
+      stmt.run(1);
+    }, {
+      code: 'ERR_SQLITE_ERROR',
+      message: 'NOT NULL constraint failed: data.val',
+      errcode: 1299,
+      errstr: 'constraint failed',
+    });
+  });
+});
+
+suite('StatementSync.prototype.sourceSQL()', () => {
+  test('returns input SQL', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const sql = 'INSERT INTO types (key, val) VALUES ($k, $v)';
+    const stmt = db.prepare(sql);
+    t.assert.strictEqual(stmt.sourceSQL(), sql);
+  });
+});
+
+suite('StatementSync.prototype.expandedSQL()', () => {
+  test('returns expanded SQL', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const sql = 'INSERT INTO types (key, val) VALUES ($k, ?)';
+    const expanded = 'INSERT INTO types (key, val) VALUES (\'33\', \'42\')';
+    const stmt = db.prepare(sql);
+    t.assert.deepStrictEqual(
+      stmt.run({ $k: '33' }, '42'),
+      { changes: 1, lastInsertRowid: 33 },
+    );
+    t.assert.strictEqual(stmt.expandedSQL(), expanded);
+  });
+});
+
+suite('StatementSync.prototype.setReadBigInts()', () => {
+  test('BigInts support can be toggled', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(`
+      CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;
+      INSERT INTO data (key, val) VALUES (1, 42);
+    `);
+    t.assert.strictEqual(setup, undefined);
+
+    const query = db.prepare('SELECT val FROM data');
+    t.assert.deepStrictEqual(query.get(), { val: 42 });
+    t.assert.strictEqual(query.setReadBigInts(true), undefined);
+    t.assert.deepStrictEqual(query.get(), { val: 42n });
+    t.assert.strictEqual(query.setReadBigInts(false), undefined);
+    t.assert.deepStrictEqual(query.get(), { val: 42 });
+
+    const insert = db.prepare('INSERT INTO data (key) VALUES (?)');
+    t.assert.deepStrictEqual(
+      insert.run(10),
+      { changes: 1, lastInsertRowid: 10 },
+    );
+    t.assert.strictEqual(insert.setReadBigInts(true), undefined);
+    t.assert.deepStrictEqual(
+      insert.run(20),
+      { changes: 1n, lastInsertRowid: 20n },
+    );
+    t.assert.strictEqual(insert.setReadBigInts(false), undefined);
+    t.assert.deepStrictEqual(
+      insert.run(30),
+      { changes: 1, lastInsertRowid: 30 },
+    );
+  });
+
+  test('throws when input is not a boolean', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, $v)');
+    t.assert.throws(() => {
+      stmt.setReadBigInts();
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      message: /The "readBigInts" argument must be a boolean/,
+    });
+  });
+
+  test('BigInt is required for reading large integers', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const bad = db.prepare(`SELECT ${Number.MAX_SAFE_INTEGER} + 1`);
+    t.assert.throws(() => {
+      bad.get();
+    }, {
+      code: 'ERR_OUT_OF_RANGE',
+      message: /^The value of column 0 is too large.*: 9007199254740992$/,
+    });
+    const good = db.prepare(`SELECT ${Number.MAX_SAFE_INTEGER} + 1`);
+    good.setReadBigInts(true);
+    t.assert.deepStrictEqual(good.get(), {
+      [`${Number.MAX_SAFE_INTEGER} + 1`]: 2n ** 53n,
+    });
+  });
+});
+
+suite('StatementSync.prototype.setAllowBareNamedParameters()', () => {
+  test('bare named parameter support can be toggled', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $v)');
+    t.assert.deepStrictEqual(
+      stmt.run({ k: 1, v: 2 }),
+      { changes: 1, lastInsertRowid: 1 },
+    );
+    t.assert.strictEqual(stmt.setAllowBareNamedParameters(false), undefined);
+    t.assert.throws(() => {
+      stmt.run({ k: 2, v: 4 });
+    }, {
+      code: 'ERR_INVALID_STATE',
+      message: /Unknown named parameter 'k'/,
+    });
+    t.assert.strictEqual(stmt.setAllowBareNamedParameters(true), undefined);
+    t.assert.deepStrictEqual(
+      stmt.run({ k: 3, v: 6 }),
+      { changes: 1, lastInsertRowid: 3 },
+    );
+  });
+
+  test('throws when input is not a boolean', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(
+      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
+    );
+    t.assert.strictEqual(setup, undefined);
+    const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $v)');
+    t.assert.throws(() => {
+      stmt.setAllowBareNamedParameters();
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      message: /The "allowBareNamedParameters" argument must be a boolean/,
+    });
+  });
+});
diff --git a/test/parallel/test-sqlite-transactions.js b/test/parallel/test-sqlite-transactions.js
new file mode 100644
index 00000000000000..a37e635541bbf2
--- /dev/null
+++ b/test/parallel/test-sqlite-transactions.js
@@ -0,0 +1,67 @@
+// Flags: --experimental-sqlite
+'use strict';
+require('../common');
+const tmpdir = require('../common/tmpdir');
+const { join } = require('node:path');
+const { DatabaseSync } = require('node:sqlite');
+const { suite, test } = require('node:test');
+let cnt = 0;
+
+tmpdir.refresh();
+
+function nextDb() {
+  return join(tmpdir.path, `database-${cnt++}.db`);
+}
+
+suite('manual transactions', () => {
+  test('a transaction is committed', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(`
+      CREATE TABLE data(
+        key INTEGER PRIMARY KEY
+      ) STRICT;
+    `);
+    t.assert.strictEqual(setup, undefined);
+    t.assert.deepStrictEqual(
+      db.prepare('BEGIN').run(),
+      { changes: 0, lastInsertRowid: 0 },
+    );
+    t.assert.deepStrictEqual(
+      db.prepare('INSERT INTO data (key) VALUES (100)').run(),
+      { changes: 1, lastInsertRowid: 100 },
+    );
+    t.assert.deepStrictEqual(
+      db.prepare('COMMIT').run(),
+      { changes: 1, lastInsertRowid: 100 },
+    );
+    t.assert.deepStrictEqual(
+      db.prepare('SELECT * FROM data').all(),
+      [{ key: 100 }],
+    );
+  });
+
+  test('a transaction is rolled back', (t) => {
+    const db = new DatabaseSync(nextDb());
+    t.after(() => { db.close(); });
+    const setup = db.exec(`
+      CREATE TABLE data(
+        key INTEGER PRIMARY KEY
+      ) STRICT;
+    `);
+    t.assert.strictEqual(setup, undefined);
+    t.assert.deepStrictEqual(
+      db.prepare('BEGIN').run(),
+      { changes: 0, lastInsertRowid: 0 },
+    );
+    t.assert.deepStrictEqual(
+      db.prepare('INSERT INTO data (key) VALUES (100)').run(),
+      { changes: 1, lastInsertRowid: 100 },
+    );
+    t.assert.deepStrictEqual(
+      db.prepare('ROLLBACK').run(),
+      { changes: 1, lastInsertRowid: 100 },
+    );
+    t.assert.deepStrictEqual(db.prepare('SELECT * FROM data').all(), []);
+  });
+});
diff --git a/test/parallel/test-sqlite.js b/test/parallel/test-sqlite.js
index 3d899063f9c967..8acabb96fceab4 100644
--- a/test/parallel/test-sqlite.js
+++ b/test/parallel/test-sqlite.js
@@ -2,9 +2,8 @@
 'use strict';
 const { spawnPromisified } = require('../common');
 const tmpdir = require('../common/tmpdir');
-const { existsSync } = require('node:fs');
 const { join } = require('node:path');
-const { DatabaseSync, StatementSync } = require('node:sqlite');
+const { DatabaseSync } = require('node:sqlite');
 const { suite, test } = require('node:test');
 let cnt = 0;
 
@@ -42,668 +41,9 @@ suite('accessing the node:sqlite module', () => {
   });
 });
 
-suite('DatabaseSync() constructor', () => {
-  test('throws if called without new', (t) => {
-    t.assert.throws(() => {
-      DatabaseSync();
-    }, {
-      code: 'ERR_CONSTRUCT_CALL_REQUIRED',
-      message: /Cannot call constructor without `new`/,
-    });
-  });
-
-  test('throws if database path is not a string', (t) => {
-    t.assert.throws(() => {
-      new DatabaseSync();
-    }, {
-      code: 'ERR_INVALID_ARG_TYPE',
-      message: /The "path" argument must be a string/,
-    });
-  });
-
-  test('throws if options is provided but is not an object', (t) => {
-    t.assert.throws(() => {
-      new DatabaseSync('foo', null);
-    }, {
-      code: 'ERR_INVALID_ARG_TYPE',
-      message: /The "options" argument must be an object/,
-    });
-  });
-
-  test('throws if options.open is provided but is not a boolean', (t) => {
-    t.assert.throws(() => {
-      new DatabaseSync('foo', { open: 5 });
-    }, {
-      code: 'ERR_INVALID_ARG_TYPE',
-      message: /The "options\.open" argument must be a boolean/,
-    });
-  });
-});
-
-suite('DatabaseSync.prototype.open()', () => {
-  test('opens a database connection', (t) => {
-    const dbPath = nextDb();
-    const db = new DatabaseSync(dbPath, { open: false });
-
-    t.assert.strictEqual(existsSync(dbPath), false);
-    t.assert.strictEqual(db.open(), undefined);
-    t.assert.strictEqual(existsSync(dbPath), true);
-  });
-
-  test('throws if database is already open', (t) => {
-    const db = new DatabaseSync(nextDb(), { open: false });
-
-    db.open();
-    t.assert.throws(() => {
-      db.open();
-    }, {
-      code: 'ERR_INVALID_STATE',
-      message: /database is already open/,
-    });
-  });
-});
-
-suite('DatabaseSync.prototype.close()', () => {
-  test('closes an open database connection', (t) => {
-    const db = new DatabaseSync(nextDb());
-
-    t.assert.strictEqual(db.close(), undefined);
-  });
-
-  test('throws if database is not open', (t) => {
-    const db = new DatabaseSync(nextDb(), { open: false });
-
-    t.assert.throws(() => {
-      db.close();
-    }, {
-      code: 'ERR_INVALID_STATE',
-      message: /database is not open/,
-    });
-  });
-});
-
-suite('DatabaseSync.prototype.prepare()', () => {
-  test('returns a prepared statement', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const stmt = db.prepare('CREATE TABLE webstorage(key TEXT)');
-    t.assert.ok(stmt instanceof StatementSync);
-  });
-
-  test('throws if database is not open', (t) => {
-    const db = new DatabaseSync(nextDb(), { open: false });
-
-    t.assert.throws(() => {
-      db.prepare();
-    }, {
-      code: 'ERR_INVALID_STATE',
-      message: /database is not open/,
-    });
-  });
-
-  test('throws if sql is not a string', (t) => {
-    const db = new DatabaseSync(nextDb());
-
-    t.assert.throws(() => {
-      db.prepare();
-    }, {
-      code: 'ERR_INVALID_ARG_TYPE',
-      message: /The "sql" argument must be a string/,
-    });
-  });
-});
-
-suite('DatabaseSync.prototype.exec()', () => {
-  test('executes SQL', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const result = db.exec(`
-      CREATE TABLE data(
-        key INTEGER PRIMARY KEY,
-        val INTEGER
-      ) STRICT;
-      INSERT INTO data (key, val) VALUES (1, 2);
-      INSERT INTO data (key, val) VALUES (8, 9);
-    `);
-    t.assert.strictEqual(result, undefined);
-    const stmt = db.prepare('SELECT * FROM data ORDER BY key');
-    t.assert.deepStrictEqual(stmt.all(), [
-      { key: 1, val: 2 },
-      { key: 8, val: 9 },
-    ]);
-  });
-
-  test('reports errors from SQLite', (t) => {
-    const db = new DatabaseSync(nextDb());
-
-    t.assert.throws(() => {
-      db.exec('CREATE TABLEEEE');
-    }, {
-      code: 'ERR_SQLITE_ERROR',
-      message: /syntax error/,
-    });
-  });
-
-  test('throws if database is not open', (t) => {
-    const db = new DatabaseSync(nextDb(), { open: false });
-
-    t.assert.throws(() => {
-      db.exec();
-    }, {
-      code: 'ERR_INVALID_STATE',
-      message: /database is not open/,
-    });
-  });
-
-  test('throws if sql is not a string', (t) => {
-    const db = new DatabaseSync(nextDb());
-
-    t.assert.throws(() => {
-      db.exec();
-    }, {
-      code: 'ERR_INVALID_ARG_TYPE',
-      message: /The "sql" argument must be a string/,
-    });
-  });
-});
-
-suite('StatementSync() constructor', () => {
-  test('StatementSync cannot be constructed directly', (t) => {
-    t.assert.throws(() => {
-      new StatementSync();
-    }, {
-      code: 'ERR_ILLEGAL_CONSTRUCTOR',
-      message: /Illegal constructor/,
-    });
-  });
-});
-
-suite('StatementSync.prototype.get()', () => {
-  test('executes a query and returns undefined on no results', (t) => {
-    const db = new DatabaseSync(nextDb());
-    let stmt = db.prepare('CREATE TABLE storage(key TEXT, val TEXT)');
-    t.assert.strictEqual(stmt.get(), undefined);
-    stmt = db.prepare('SELECT * FROM storage');
-    t.assert.strictEqual(stmt.get(), undefined);
-  });
-
-  test('executes a query and returns the first result', (t) => {
-    const db = new DatabaseSync(nextDb());
-    let stmt = db.prepare('CREATE TABLE storage(key TEXT, val TEXT)');
-    t.assert.strictEqual(stmt.get(), undefined);
-    stmt = db.prepare('INSERT INTO storage (key, val) VALUES (?, ?)');
-    t.assert.strictEqual(stmt.get('key1', 'val1'), undefined);
-    t.assert.strictEqual(stmt.get('key2', 'val2'), undefined);
-    stmt = db.prepare('SELECT * FROM storage ORDER BY key');
-    t.assert.deepStrictEqual(stmt.get(), { key: 'key1', val: 'val1' });
-  });
-});
-
-suite('StatementSync.prototype.all()', () => {
-  test('executes a query and returns an empty array on no results', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const stmt = db.prepare('CREATE TABLE storage(key TEXT, val TEXT)');
-    t.assert.deepStrictEqual(stmt.all(), []);
-  });
-
-  test('executes a query and returns all results', (t) => {
-    const db = new DatabaseSync(nextDb());
-    let stmt = db.prepare('CREATE TABLE storage(key TEXT, val TEXT)');
-    t.assert.deepStrictEqual(stmt.run(), { changes: 0, lastInsertRowid: 0 });
-    stmt = db.prepare('INSERT INTO storage (key, val) VALUES (?, ?)');
-    t.assert.deepStrictEqual(
-      stmt.run('key1', 'val1'),
-      { changes: 1, lastInsertRowid: 1 },
-    );
-    t.assert.deepStrictEqual(
-      stmt.run('key2', 'val2'),
-      { changes: 1, lastInsertRowid: 2 },
-    );
-    stmt = db.prepare('SELECT * FROM storage ORDER BY key');
-    t.assert.deepStrictEqual(stmt.all(), [
-      { key: 'key1', val: 'val1' },
-      { key: 'key2', val: 'val2' },
-    ]);
-  });
-});
-
-suite('StatementSync.prototype.run()', () => {
-  test('executes a query and returns change metadata', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(`
-      CREATE TABLE storage(key TEXT, val TEXT);
-      INSERT INTO storage (key, val) VALUES ('foo', 'bar');
-    `);
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('SELECT * FROM storage');
-    t.assert.deepStrictEqual(stmt.run(), { changes: 1, lastInsertRowid: 1 });
-  });
-
-  test('SQLite throws when trying to bind too many parameters', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO data (key, val) VALUES (?, ?)');
-    t.assert.throws(() => {
-      stmt.run(1, 2, 3);
-    }, {
-      code: 'ERR_SQLITE_ERROR',
-      message: 'column index out of range',
-      errcode: 25,
-      errstr: 'column index out of range',
-    });
-  });
-
-  test('SQLite defaults to NULL for unbound parameters', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER NOT NULL) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO data (key, val) VALUES (?, ?)');
-    t.assert.throws(() => {
-      stmt.run(1);
-    }, {
-      code: 'ERR_SQLITE_ERROR',
-      message: 'NOT NULL constraint failed: data.val',
-      errcode: 1299,
-      errstr: 'constraint failed',
-    });
-  });
-});
-
-suite('StatementSync.prototype.sourceSQL()', () => {
-  test('returns input SQL', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const sql = 'INSERT INTO types (key, val) VALUES ($k, $v)';
-    const stmt = db.prepare(sql);
-    t.assert.strictEqual(stmt.sourceSQL(), sql);
-  });
-});
-
-suite('StatementSync.prototype.expandedSQL()', () => {
-  test('returns expanded SQL', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const sql = 'INSERT INTO types (key, val) VALUES ($k, ?)';
-    const expanded = 'INSERT INTO types (key, val) VALUES (\'33\', \'42\')';
-    const stmt = db.prepare(sql);
-    t.assert.deepStrictEqual(
-      stmt.run({ $k: '33' }, '42'),
-      { changes: 1, lastInsertRowid: 33 },
-    );
-    t.assert.strictEqual(stmt.expandedSQL(), expanded);
-  });
-});
-
-suite('StatementSync.prototype.setReadBigInts()', () => {
-  test('BigInts support can be toggled', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(`
-      CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;
-      INSERT INTO data (key, val) VALUES (1, 42);
-    `);
-    t.assert.strictEqual(setup, undefined);
-
-    const query = db.prepare('SELECT val FROM data');
-    t.assert.deepStrictEqual(query.get(), { val: 42 });
-    t.assert.strictEqual(query.setReadBigInts(true), undefined);
-    t.assert.deepStrictEqual(query.get(), { val: 42n });
-    t.assert.strictEqual(query.setReadBigInts(false), undefined);
-    t.assert.deepStrictEqual(query.get(), { val: 42 });
-
-    const insert = db.prepare('INSERT INTO data (key) VALUES (?)');
-    t.assert.deepStrictEqual(
-      insert.run(10),
-      { changes: 1, lastInsertRowid: 10 },
-    );
-    t.assert.strictEqual(insert.setReadBigInts(true), undefined);
-    t.assert.deepStrictEqual(
-      insert.run(20),
-      { changes: 1n, lastInsertRowid: 20n },
-    );
-    t.assert.strictEqual(insert.setReadBigInts(false), undefined);
-    t.assert.deepStrictEqual(
-      insert.run(30),
-      { changes: 1, lastInsertRowid: 30 },
-    );
-  });
-
-  test('throws when input is not a boolean', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, $v)');
-    t.assert.throws(() => {
-      stmt.setReadBigInts();
-    }, {
-      code: 'ERR_INVALID_ARG_TYPE',
-      message: /The "readBigInts" argument must be a boolean/,
-    });
-  });
-
-  test('BigInt is required for reading large integers', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const bad = db.prepare(`SELECT ${Number.MAX_SAFE_INTEGER} + 1`);
-    t.assert.throws(() => {
-      bad.get();
-    }, {
-      code: 'ERR_OUT_OF_RANGE',
-      message: /^The value of column 0 is too large.*: 9007199254740992$/,
-    });
-    const good = db.prepare(`SELECT ${Number.MAX_SAFE_INTEGER} + 1`);
-    good.setReadBigInts(true);
-    t.assert.deepStrictEqual(good.get(), {
-      [`${Number.MAX_SAFE_INTEGER} + 1`]: 2n ** 53n,
-    });
-  });
-});
-
-suite('StatementSync.prototype.setAllowBareNamedParameters()', () => {
-  test('bare named parameter support can be toggled', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $v)');
-    t.assert.deepStrictEqual(
-      stmt.run({ k: 1, v: 2 }),
-      { changes: 1, lastInsertRowid: 1 },
-    );
-    t.assert.strictEqual(stmt.setAllowBareNamedParameters(false), undefined);
-    t.assert.throws(() => {
-      stmt.run({ k: 2, v: 4 });
-    }, {
-      code: 'ERR_INVALID_STATE',
-      message: /Unknown named parameter 'k'/,
-    });
-    t.assert.strictEqual(stmt.setAllowBareNamedParameters(true), undefined);
-    t.assert.deepStrictEqual(
-      stmt.run({ k: 3, v: 6 }),
-      { changes: 1, lastInsertRowid: 3 },
-    );
-  });
-
-  test('throws when input is not a boolean', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $v)');
-    t.assert.throws(() => {
-      stmt.setAllowBareNamedParameters();
-    }, {
-      code: 'ERR_INVALID_ARG_TYPE',
-      message: /The "allowBareNamedParameters" argument must be a boolean/,
-    });
-  });
-});
-
-suite('data binding and mapping', () => {
-  test('supported data types', (t) => {
-    const u8a = new TextEncoder().encode('a☃b☃c');
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(`
-      CREATE TABLE types(
-        key INTEGER PRIMARY KEY,
-        int INTEGER,
-        double REAL,
-        text TEXT,
-        buf BLOB
-      ) STRICT;
-    `);
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO types (key, int, double, text, buf) ' +
-      'VALUES (?, ?, ?, ?, ?)');
-    t.assert.deepStrictEqual(
-      stmt.run(1, 42, 3.14159, 'foo', u8a),
-      { changes: 1, lastInsertRowid: 1 },
-    );
-    t.assert.deepStrictEqual(
-      stmt.run(2, null, null, null, null),
-      { changes: 1, lastInsertRowid: 2 }
-    );
-    t.assert.deepStrictEqual(
-      stmt.run(3, Number(8), Number(2.718), String('bar'), Buffer.from('x☃y☃')),
-      { changes: 1, lastInsertRowid: 3 },
-    );
-    t.assert.deepStrictEqual(
-      stmt.run(4, 99n, 0xf, '', new Uint8Array()),
-      { changes: 1, lastInsertRowid: 4 },
-    );
-
-    const query = db.prepare('SELECT * FROM types WHERE key = ?');
-    t.assert.deepStrictEqual(query.get(1), {
-      key: 1,
-      int: 42,
-      double: 3.14159,
-      text: 'foo',
-      buf: u8a,
-    });
-    t.assert.deepStrictEqual(query.get(2), {
-      key: 2,
-      int: null,
-      double: null,
-      text: null,
-      buf: null,
-    });
-    t.assert.deepStrictEqual(query.get(3), {
-      key: 3,
-      int: 8,
-      double: 2.718,
-      text: 'bar',
-      buf: new TextEncoder().encode('x☃y☃'),
-    });
-    t.assert.deepStrictEqual(query.get(4), {
-      key: 4,
-      int: 99,
-      double: 0xf,
-      text: '',
-      buf: new Uint8Array(),
-    });
-  });
-
-  test('unsupported data types', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-
-    [
-      undefined,
-      () => {},
-      Symbol(),
-      /foo/,
-      Promise.resolve(),
-      new Map(),
-      new Set(),
-    ].forEach((val) => {
-      t.assert.throws(() => {
-        db.prepare('INSERT INTO types (key, val) VALUES (?, ?)').run(1, val);
-      }, {
-        code: 'ERR_INVALID_ARG_TYPE',
-        message: /Provided value cannot be bound to SQLite parameter 2/,
-      });
-    });
-
-    t.assert.throws(() => {
-      const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, $v)');
-      stmt.run({ $k: 1, $v: () => {} });
-    }, {
-      code: 'ERR_INVALID_ARG_TYPE',
-      message: /Provided value cannot be bound to SQLite parameter 2/,
-    });
-  });
-
-  test('throws when binding a BigInt that is too large', (t) => {
-    const max = 9223372036854775807n; // Largest 64-bit signed integer value.
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO types (key, val) VALUES (?, ?)');
-    t.assert.deepStrictEqual(
-      stmt.run(1, max),
-      { changes: 1, lastInsertRowid: 1 },
-    );
-    t.assert.throws(() => {
-      stmt.run(1, max + 1n);
-    }, {
-      code: 'ERR_INVALID_ARG_VALUE',
-      message: /BigInt value is too large to bind/,
-    });
-  });
-
-  test('statements are unbound on each call', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO data (key, val) VALUES (?, ?)');
-    t.assert.deepStrictEqual(
-      stmt.run(1, 5),
-      { changes: 1, lastInsertRowid: 1 },
-    );
-    t.assert.deepStrictEqual(
-      stmt.run(),
-      { changes: 1, lastInsertRowid: 2 },
-    );
-    t.assert.deepStrictEqual(
-      db.prepare('SELECT * FROM data ORDER BY key').all(),
-      [{ key: 1, val: 5 }, { key: 2, val: null }],
-    );
-  });
-});
-
-suite('manual transactions', () => {
-  test('a transaction is committed', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(`
-      CREATE TABLE data(
-        key INTEGER PRIMARY KEY
-      ) STRICT;
-    `);
-    t.assert.strictEqual(setup, undefined);
-    t.assert.deepStrictEqual(
-      db.prepare('BEGIN').run(),
-      { changes: 0, lastInsertRowid: 0 },
-    );
-    t.assert.deepStrictEqual(
-      db.prepare('INSERT INTO data (key) VALUES (100)').run(),
-      { changes: 1, lastInsertRowid: 100 },
-    );
-    t.assert.deepStrictEqual(
-      db.prepare('COMMIT').run(),
-      { changes: 1, lastInsertRowid: 100 },
-    );
-    t.assert.deepStrictEqual(
-      db.prepare('SELECT * FROM data').all(),
-      [{ key: 100 }],
-    );
-  });
-
-  test('a transaction is rolled back', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(`
-      CREATE TABLE data(
-        key INTEGER PRIMARY KEY
-      ) STRICT;
-    `);
-    t.assert.strictEqual(setup, undefined);
-    t.assert.deepStrictEqual(
-      db.prepare('BEGIN').run(),
-      { changes: 0, lastInsertRowid: 0 },
-    );
-    t.assert.deepStrictEqual(
-      db.prepare('INSERT INTO data (key) VALUES (100)').run(),
-      { changes: 1, lastInsertRowid: 100 },
-    );
-    t.assert.deepStrictEqual(
-      db.prepare('ROLLBACK').run(),
-      { changes: 1, lastInsertRowid: 100 },
-    );
-    t.assert.deepStrictEqual(db.prepare('SELECT * FROM data').all(), []);
-  });
-});
-
-suite('named parameters', () => {
-  test('throws on unknown named parameters', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-
-    t.assert.throws(() => {
-      const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, $v)');
-      stmt.run({ $k: 1, $unknown: 1 });
-    }, {
-      code: 'ERR_INVALID_STATE',
-      message: /Unknown named parameter '\$unknown'/,
-    });
-  });
-
-  test('bare named parameters are supported', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $v)');
-    stmt.run({ k: 1, v: 9 });
-    t.assert.deepStrictEqual(
-      db.prepare('SELECT * FROM data').get(),
-      { key: 1, val: 9 },
-    );
-  });
-
-  test('duplicate bare named parameters are supported', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $k)');
-    stmt.run({ k: 1 });
-    t.assert.deepStrictEqual(
-      db.prepare('SELECT * FROM data').get(),
-      { key: 1, val: 1 },
-    );
-  });
-
-  test('bare named parameters throw on ambiguous names', (t) => {
-    const db = new DatabaseSync(nextDb());
-    const setup = db.exec(
-      'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
-    );
-    t.assert.strictEqual(setup, undefined);
-    const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, @k)');
-    t.assert.throws(() => {
-      stmt.run({ k: 1 });
-    }, {
-      code: 'ERR_INVALID_STATE',
-      message: 'Cannot create bare named parameter \'k\' because of ' +
-               'conflicting names \'$k\' and \'@k\'.',
-    });
-  });
-});
-
 test('ERR_SQLITE_ERROR is thrown for errors originating from SQLite', (t) => {
   const db = new DatabaseSync(nextDb());
+  t.after(() => { db.close(); });
   const setup = db.exec(`
     CREATE TABLE test(
       key INTEGER PRIMARY KEY
@@ -747,6 +87,7 @@ test('in-memory databases are supported', (t) => {
 
 test('PRAGMAs are supported', (t) => {
   const db = new DatabaseSync(nextDb());
+  t.after(() => { db.close(); });
   t.assert.deepStrictEqual(
     db.prepare('PRAGMA journal_mode = WAL').get(),
     { journal_mode: 'wal' },