Database Management System Advantages Questions and Answers PDF Download eBook
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"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 advantages Multiple Choice Questions (MCQ) with choices query processing and optimization, index and glossary optimization, structural optimization, and content optimization to study e-learning courses. Learn database management systems questions and answers with free online certification courses for applied computer science.
Quiz on Database Management System Advantages PDF Download eBook
MCQ: 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
B
MCQ: In SQL standard, the variable which is considered as communication variable and is string of five characters is named as
- SQLSECTION
- SQLSTATE
- SQLCODE
- SQLMOD
B
MCQ: The type of attributes that can be easily divided into smaller parts is classified as
- derived attributes
- simple attributes
- composite attributes
- atomic attributes
C
MCQ: 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
B
MCQ: In large database management applications, theses customary constraints are classified as
- controlled rules
- redundancy rules
- index rules
- business rules
D