Database Management System MCQs – Mock Test 78

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The MCQ: One of the module in the database management system which is responsible for choosing efficient execution plan considering queries is considered as; "Database Management System" App (Android, iOS) with answers: query processing and optimization, index and glossary optimization, content optimization, and structural optimization to learn online training courses. Practice Database Management Systems Questions and Answers, Google Book to download free chapter to learn online certificate courses.

Database Management System Advantages MCQs – Mock Test 78 PDF Download

MCQ 386: One of the module in the database management system which is responsible for choosing efficient execution plan considering queries is considered as:

index and glossary optimization
query processing and optimization
structural optimization
content optimization

MCQ 387: In SQL standard, the variable which is considered as communication variable and is string of five characters is named as:

SQLSECTION
SQLSTATE
SQLCODE
SQLMOD

MCQ 388: The type of attributes that can be easily divided into smaller parts is classified as:

derived attributes
simple attributes
composite attributes
atomic attributes

MCQ 389: When the foreign key refers to a tuple which does not exists in subjected relation then the constraint violated is:

modify integrity
referential integrity
inferential integrity
insert integrity

MCQ 390: In large database management applications, theses customary constraints are classified as:

controlled rules
redundancy rules
index rules
business rules

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