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Introduction to SQL

Introduction to SQL
In SQL, which of the following is not a data definition language commands?

GRANT
UPDATE
RENAME
REVOKE

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Introduction to SQL
Which of the following is a SQL aggregate function?

LEN
JOIN
AVG
LEFT

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Introduction to SQL
________ was adopted as a national standard by ANSI in 1992.

Microsoft Access
Oracle
SQL
DBase

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

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

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Introduction to SQL
Which command undo all the updates performed by the SQL in the transaction?

COMMIT
ROLLBACK
DELETE
TRUNCATE

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Introduction to SQL
Count function in SQL returns the number of

distinct values.
values.
groups.
columns.

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