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Introduction to SQL

Introduction to SQL
SQL is a data sublanguage.

False
True

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Introduction to SQL
The command to remove rows from a table 'CUSTOMER' is:

UPDATE FROM CUSTOMER ...
DELETE FROM CUSTOMER WHERE ...
DROP FROM CUSTOMER ...
REMOVE FROM CUSTOMER ...

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Introduction to SQL
In SQL, which command is used to change a table's storage characteristics?

None of these
ALTER TABLE
MODIFY TABLE
CHANGE TABLE

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

TRUNCATE
ROLLBACK
DELETE
COMMIT

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Introduction to SQL
SQL is:

a data sublanguage.
a DBMS.
an operating system.
a programming language.

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Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

Default values
Primary keys
Data types
All of these

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