Database Systems MCQs – Certification Test 63

Relational Operations MCQ (Question 63) – App & e-Book Download

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MCQ 63: Algebraic operation that outputs specified attributes from all rows of the input relation, is said to be:

Natural join
Union operation
Projection
Selection

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Relational Operations MCQ App & e-Book – Database Systems Textbook Tests

SQL Data Definition Test 74

SQL Data Definition Test 75

View of Data Test 76

Functions and Procedures Test 77

Embedded SQL Test 78

DBMS Keys Test 79

Application Architectures Test 80

Database Languages Test 81

SQL Data Types and Schemas Test 82

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