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Introduction to SQL

Introduction to SQL
If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

True
False

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Introduction to SQL
The Microsoft Access wildcards are ____ and ____ .

underscore(_); question mark (?)
percent sign (%); underscore (_)
question mark (?); asterisk (*)
asterisk (*); percent sign (%)

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

UPDATE
RENAME
REVOKE
GRANT

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Introduction to SQL
To establish a range of values, < and > can be used.

False
True

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

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

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

TRUNCATE
ROLLBACK
DELETE
COMMIT

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