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Introduction to SQL

Introduction to SQL
Which of the following is a valid SQL type?

NUMERIC
All of these
FLOAT
CHARACTER

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Introduction to SQL
To establish a range of values, < and > can be used.

False
True

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Introduction to SQL
SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN.

False
True

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

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

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Introduction to SQL
SQL can be used to:

create database structures only.
query database data only.
modify database data only.
All of these

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Introduction to SQL
SQL is a data sublanguage.

True
False

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