Database Systems MCQs – Mock Test 70

Heuristic Optimization in DBMS MCQs with Answers PDF Download – Test 70

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Free Heuristic Optimization in DBMS Study App Download (iOS & Android): "Modification to a relation or expression is referred to as its"; MCQ with answers: change, moderator, differential, and alterations. Practice Query Optimization Questions and Answers, Google Book to download free chapter for database technology education.

Heuristic Optimization in DBMS MCQs – Mock Test 70 PDF Download

MCQ 346: The modification to a relation or expression is referred to as its:

Moderator
Change
Alterations
Differential

MCQ 347: SQL expresses patterns by using the operator:

MCQ 348: The usage of concurrent execution of transactions improves:

Utilization
Response time
Throughput
Both A and C

MCQ 349: In the Rijndael algorithm, the encryption key is of the length:

128 bits
192 bits
256 bits
All of the Above

MCQ 350: The result of Boolean expression 'Unknown and unknown' is:

False
True
Unknown
Null

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