Database Systems MCQs – Certification Test 1180

Relational Algebra Quiz (Question 1180) – App & e-Book Download

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MCQ 1180: Select project, and rename operations are called unary operations, because they operate on:

One tuple only
One relation only
One attribute only
One instance only

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Database Systems Quiz App & e-Book – Relational Algebra Exam Prep

Notations for Modeling Data Test 1191

Aggregate Functions Test 1192

Data Dictionary Storage Test 1193

Database Transactions Test 1194

DBMS Design Process Test 1195

JDBC and SQL Syntax Test 1196

Database Keys Test 1197

Selection Operation in SQL Test 1198

Functions and Procedures Test 1199

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