https://forum.ghost.org/t/rebuild-image-links-after-moving-from-subdomain-to-subdirectory/4696
https://stackoverflow.com/questions/4822638/find-and-replace-entire-mysql-database/4822691#4822691
sqldump to a text file, find/replace, re-import the sqldump.
Dump the database to a text file mysqldump -u root -p[root_password] [database_name] > dumpfilename.sql
Restore the database after you have made changes to it. mysql -u root -p[root_password] [database_name] < dumpfilename.sql
backup: #
mysqldump -u root -p[root_password] [database_name] > dumpfilename.sql
restore:#
mysql -u root -p[root_password] [database_name] < dumpfilename.sql
NOTE the direction of the >
there is no space between the -p and the password