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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