Aggregate Functions Multiple Choice Questions (MCQ) PDF - 124

MCQ 616: The result does not change but it is legal to use Distinct with

1. Min
2. Max
3. Both A and B
4. Count

MCQ 617: In the connection pooling, a pool refers to

1. A set of open ODBC/JDBC connections
2. A set of available ODBC/JDBC connections
3. A set of closed ODBC/JDBC connections
4. A set of similar ODBC/JDBC connections

MCQ 618: Row sets can be scanned

1. Backward
2. Forward
3. Modifying
4. All of the Above

MCQ 619: The command to drop some relation from the database is

1. Drop about r
2. Drop from r
3. Delete from r
4. Delete about r

MCQ 620: The passing of a specific authorization from one user to another can be represented by an

1. Authorization type
2. Authorization model
3. Authorization view
4. Authorization graph