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Introduction to SQL

Introduction to SQL
Count function in SQL returns the number of

values.
groups.
distinct values.
columns.

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Introduction to SQL
The result of a SQL SELECT statement is a ________ .

form
report
file
table

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Introduction to SQL
Which SQL keyword is used to sort the result-set?

ORDER BY
SORT
ORDER
SORT BY

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Introduction to SQL
A subquery in an SQL SELECT statement:

cannot have its results sorted using ORDER BY.
can always be duplicated by a join.
can only be used with two tables.
has a distinct form that cannot be duplicated by a join.

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Introduction to SQL
Which SQL statement is used to update data in a database?

MODIFY
SAVE AS
SAVE
UPDATE

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

ROLLBACK
TRUNCATE
COMMIT
DELETE

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