propose corrections

dotnet-framework/dotnet-framework-quiz.md

@@ -51,10 +51,10 @@
 
 #### Q8.You want to include language elements in a program. Which design pattern best fits this objective?
 
-- [ ] Interpreter
+- [x] Interpreter <= correct
 - [ ] Command
 - [ ] Bridge
-- [x] Decorator
+- [ ] Decorator
 
 #### Q9. What makes a strong-named assembly?
 
@@ -123,10 +123,10 @@
 
 #### Q18. What is an abstract class in .NET?
 
-- [ ] An abstract class provides a partial implementation for functionality and some abstract or virtual members that must be implemented by the inheriting entities. It can declare fields too.
+- [x] An abstract class provides a partial implementation for functionality and some abstract or virtual members that must be implemented by the inheriting entities. It can declare fields too. <= Correct
 - [ ] An abstract class allows developers to create new classes that reuse, extend, and modify the behavior defined in other classes.
 - [ ] An abstract class is responsible for keeping track of what is actually executing and where each executing thread is.
-- [x] An abstract class declares a contract or behavior that implementing classes require. It may declare only properties, methods, and events with no access modifiers. All the declared members must be implemented.
+- [ ] An abstract class declares a contract or behavior that implementing classes require. It may declare only properties, methods, and events with no access modifiers. All the declared members must be implemented.
 
 #### Q19. What is the namespace for caching information in .NET?
 

t-sql/t-sql-quiz.md

@@ -154,8 +154,8 @@ SELECT @UniqueID AS Result;
     SELECT 'abc\
     def' AS Result;
 
-- [x] abc\def
-- [ ] abcdef
+- [ ] abc\def
+- [x] abcdef
 - [ ] error
 - [ ] abc def
 
@@ -355,8 +355,8 @@ FROM Students
 
 - [ ] You should create a DML trigger on the server.
 - [ ] You should create a DDL trigger on the database.
-- [ ] You should create a DML trigger on TableA.
-- [x] You should create a DML trigger on TableB.
+- [x] You should create a DML trigger on TableA.
+- [ ] You should create a DML trigger on TableB.
 
 #### Q35. What is the problem with this code?
 
@@ -383,12 +383,12 @@ FROM Students
 
 #### Q37. What is the result of this query?
 
-`SELECT '123'+'123' AS Result;`
+`SELECT 123+'123' AS Result;`
 
 - [ ] error
 - [ ] '123''123'
-- [x] 123123
-- [ ] 246
+- [ ] 123123
+- [x] 246
 
 #### Q38. To combine the results of two or more SELECT statements, removing duplicates, which keyword can you use?