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Introduction to SQL

Introduction to SQL
SQL is a data sublanguage.

False
True

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Introduction to SQL
Which of the following command makes the updates performed by the transaction permanent in the database?

ROLLBACK
COMMIT
DELETE
TRUNCATE

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Introduction to SQL
Which of the following is the original purpose of SQL?

All of these
To specify the syntax and semantics of SQL manipulation language
To define the data structures
To specify the syntax and semantics of SQL data definition language

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Introduction to SQL
To sort the results of a query use:

GROUP BY.
ORDER BY.
None of these
SORT BY.

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

Oracle
Microsoft Access
DBase
SQL

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Introduction to SQL
To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

UNIQUE
ONLY
DISTINCT
SINGLE

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