Database Systems MCQs – Certification Test 990

Modification of Database MCQs (Question 990) – App & e-Book Download

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MCQ 990: SQL expresses a deletion operation as:

delete about r
delete from r
delete only r
delete AS r

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Modification of Database MCQs App & e-Book – Database Systems Learning Guide

Database Languages Test 1001

Database System Basics for Exams Test 1002

Aggregate Functions Test 1003

Overview of SQL Query Language Test 1004

Basic Structure of SQL Queries Test 1005

Advanced Aggregation Features Test 1006

Static Hashing Test 1007

SQL Data Definition Test 1008

History of Database Systems Test 1009

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