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Database Systems Practice Test 316

Query Optimization Techniques Multiple Choice Questions (MCQ) PDF - 316

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Query Optimization Techniques Questions and Answers PDF Download: Quiz 316

MCQ 1576: The term that optimizes subexpressions shared by different expressions in a program is called

A) Multiple subexpression elimination
B) Common subexpression elimination
C) Parametric subexpression elimination
D) Shared subexpression elimination

MCQ 1577: The network data model and the hierarchical data model preceded the

A) Relational Model
B) Semi-structured data model
C) Entity relationship model
D) Object-based Data model

MCQ 1578: In the select evaluation of insertion, if the relation did not have a primary key constraint, the problem encountered would be of

A) Consistency
B) Integration
C) Syntax
D) Redundancy

MCQ 1579: The first subquery of the recursive view is said to be

A) Absolute
B) Static
C) Recursive
D) Non-recursive

MCQ 1580: Transition tables can be used with

A) Start atomic triggers
B) Before triggers
C) After triggers
D) Terminate triggers

Database Systems Exam Prep Tests

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Query Optimization Techniques App (Android & iOS)

Query Optimization Techniques App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Semantic Web App (Android & iOS)

Semantic Web App (Android & iOS)

Computer Architecture App (Android & iOS)

Computer Architecture App (Android & iOS)