SQL Objective Questions and Answers PDF Download - 9

MCQ 41: The output generated by the boolean expression 'true and unknown' is

1. True
2. False
3. Unknown
4. Null

MCQ 42: SQL create table statement specifies foreign keys by using

1. Referenced key clause
2. Primary key clause
3. Foreign key clause
4. Candidate key clause

MCQ 43: Invocation of SQL stored procedures and functions are allowed through JDBC interface known to be

1. Executable statements
2. Prepared statements
3. Callable statements
4. Application statements

MCQ 44: In SQL, the string data type can perform pattern matching by using the operator

1. Pattern
2. Like
3. Define
4. Match

MCQ 45: The primary goal for designing SQL language was its decision support applications, in the era

1. 1960s
2. 1970s
3. 1980s
4. 1990s