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Database Systems Practice Test 124

Aggregate Functions MCQ Questions and Answers PDF - 124

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Aggregate Functions MCQ with Answers PDF Download: Quiz 124

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

A) Min
B) Max
C) Both A and B
D) Count

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

A) A set of open ODBC/JDBC connections
B) A set of available ODBC/JDBC connections
C) A set of closed ODBC/JDBC connections
D) A set of similar ODBC/JDBC connections

MCQ 618: Row sets can be scanned

A) Backward
B) Forward
C) Modifying
D) All of the Above

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

A) Drop about r
B) Drop from r
C) Delete from r
D) Delete about r

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

A) Authorization type
B) Authorization model
C) Authorization view
D) Authorization graph

Database Systems Exam Prep Tests

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Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Computer Architecture App (Android & iOS)

Computer Architecture App (Android & iOS)

DBMS App (Android & iOS)

DBMS App (Android & iOS)