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Introduction to SQL

Introduction to SQL
The result of every SQL query is a table.

False
True

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Introduction to SQL
Which of the following join is also called as an 'inner-join'?

Equijoin
Self-Join
Non-Equijoin
None of these

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Introduction to SQL
SQL is a programming language.

False
True

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Introduction to SQL
SQL can be used to:

query database data only.
modify database data only.
All of these
create database structures only.

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Introduction to SQL
Most companies keep at least two versions of any database they are using.

False
True

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Introduction to SQL
A subquery in an SQL SELECT statement is enclosed in:

brackets -- [...].
braces -- {...}.
parenthesis -- (...) .
CAPITAL LETTERS.

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