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Introduction to SQL

Introduction to SQL
SQL is a data sublanguage.

False
True

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Introduction to SQL
A dynamic view is one whose contents materialize when referenced.

True
False

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Introduction to SQL
The result of every SQL query is a table.

False
True

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Introduction to SQL
When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):

Both IN and NOT IN.
NOT IN only.
IN only.
LIKE only.

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

ADD
UPDATE
INSERT
APPEND

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Introduction to SQL
The SQL statementSELECT ROUND(45.926, -1) FROM DUAL;

is illegal
prints 50
prints 045.926
prints garbage

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