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Chapter 22: Database Systems Exam Tests


Database Systems MCQs - Chapter 22

SQL Interview Questions and Answers Multiple Choice Questions (MCQ Quiz) PDF - 1

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Database Systems MCQs: SQL Interview Questions and Answers Quiz PDF Download - 1

MCQ: SQL supports nested subqueries in the where, and from clauses of an

A) Outer query
B) Inner query
C) Outer tuple
D) Inner tuple

MCQ: SQL supports basic set operations on relations that includes

A) Union
B) Intersect
C) Except
D) All of the above

MCQ: Scalar subqueries are also useful in SQL

A) Insertion statements
B) Deletion statement
C) Update statements
D) Retrieval statement

MCQ: The SQL data-definition language is used to create relations with specified

A) Schema
B) Structure
C) Domain
D) Attributes

MCQ: We can choose the tuples to be updated by using a query, as we could for

A) Insert
B) Delete
C) Both A and B
D) Retrieval

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