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Introduction to SQL

Introduction to SQL
Which of the following SQL commands can be used to add data to a database table?

APPEND
ADD
UPDATE
INSERT

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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
Which of the following is a SQL aggregate function?

LEFT
JOIN
AVG
LEN

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

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

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

NOT IN only
IN and NOT IN
IN only
LIKE only

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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.

True
False

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