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Introduction to SQL

Introduction to SQL
Which SQL statement is used to delete data FROM a database?

REMOVE
ALTER
COLLAPSE
DELETE

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Introduction to SQL
SQL data definition commands make up a(n) ________ .

HTML
DDL
DML
XML

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Introduction to SQL
Count function in SQL returns the number of

groups.
columns.
distinct values.
values.

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Introduction to SQL
The SQL keyword(s) ________ is used with wildcards.

LIKE only
IN only
NOT IN only
IN and NOT IN

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Introduction to SQL
SQL query and modification commands make up a(n) ________ .

DDL
XML
DML
HTML

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Introduction to SQL
Which operator performs pattern matching?

EXISTS operator
BETWEEN operator
LIKE operator
None of these

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