Database Systems Practice Test 40

DBMS Worksheet Multiple Choice Questions (MCQs) PDF Download - 40

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DBMS Worksheet MCQ Quiz with Answers PDF Download: Test 40

MCQ 196:

The database security is responsible for providing

Authentication
Encryption
Access control
All of the Above

MCQ 197:

Execution of multiple statements in a single call is being

Accepted
Supported
Prioritized
Eliminated

MCQ 198:

If there is a chain of foreign-key dependencies across multiple relations, a deletion or update at one end of the chain may propagate

No dependent
Entire chain
1 dependent only
Few dependents only

MCQ 199:

In the relational algebra, the select, project, and rename operations are known as

Dimensional operations
Multidimensional operations
Unary operations
Binary operations

MCQ 200:

If any of the foreign-key columns is null, the tuple is defined automatically to satisfy the

Integrity
Atomicity
Isolation
Constraint

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