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Introduction to SQL

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

GROUP BY
ALIGN BY
SORT BY
ORDER BY

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Introduction to SQL
The SQL keyword BETWEEN is used:

for ranges.
None of these
as a wildcard.
to limit the columns displayed.

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Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

True
False

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Introduction to SQL
Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints

5
9
10
0

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Introduction to SQL
Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.

False
True

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

Non-Equijoin
Equijoin
Self-Join
None of these

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