Database Management System MCQs – Certification Test 77

Query Graphs Notations Trivia (Question 77) – App & e-Book Download

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MCQ 77: In the notation for query graphs, the double ovals or circles are used to represent:

non-declarative nodes
constant nodes
stable nodes
declarative nodes

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Database Management System Trivia App & e-Book – Query Graphs Notations Exam Prep

Database System Environment Test 88

Data Models Categories Test 89

Entity Types Sets Attributes and Keys Test 90

Data Abstraction Test 91

Relational Database Schemas Test 92

Modeling and Union Types Test 93

Query Trees Notations Test 94

Disk File Records Test 95

Relationship Types Sets and Roles Test 96

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