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Introduction to SQL

Introduction to SQL
Which one of the following sorts rows in SQL?

ORDER BY
SORT BY
ALIGN BY
GROUP BY

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Introduction to SQL
Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function.

False
True

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Introduction to SQL
What is the meaning of LIKE '%0%0%'

Feature ends with two 0's
Feature has two 0's in it, at any position
Feature begins with two 0's
Feature has more than two 0's

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Introduction to SQL
SQL is:

an operating system.
a data sublanguage.
a DBMS.
a programming language.

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Introduction to SQL
'AS' clause is used in SQL for

Selection operation.
Projection operation.
Join operation.
Rename operation.

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Introduction to SQL
SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions.

False
True

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