Database Systems Competitive Exam MCQs – Mock Test 363
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Download "Embedded SQL Notes" App (iOS & Android): To eliminate the duplication of rows, the query result in SQL uses the statement; MCQ with answers: no duplicate, distinct, unique, and differentiate. Study Advanced SQL Questions and Answers, Apple Book to download free chapter to build digital skills.
MCQ 1811: To eliminate the duplication of rows, the query result in SQL uses the statement:
MCQ 1812: An entity is represented by a set of:
MCQ 1813: Punched cards were invented by:
MCQ 1814: SQL statements operate on relations and returns as a result:
MCQ 1815: In designing a database schema, we must avoid major pitfalls of type:
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