Database Systems Exam Prep MCQs – Mock Test 124

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Aggregate Functions MCQ – Mock Test 124 PDF Download

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

Min
Max
Both A and B
Count

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

A set of open ODBC/JDBC connections
A set of available ODBC/JDBC connections
A set of closed ODBC/JDBC connections
A set of similar ODBC/JDBC connections

MCQ 618: Row sets can be scanned:

Backward
Forward
Modifying
All of the Above

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

Drop about r
Drop from r
Delete from r
Delete about r

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

Authorization type
Authorization model
Authorization view
Authorization graph

Database Systems MCQs App & eBook – Aggregate Functions Exam Prep

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