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Introduction to SQL

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
The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs

Nothing
Hi
FLASE
TRUE

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Introduction to SQL
Which of the following group functions ignore NULL values?

MAX
COUNT
All of these
SUM

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Introduction to SQL
ORDER BY can be combined with the SELECT statements.

False
True

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Introduction to SQL
SQL is:

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

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

None of these
MODIFY TABLE
ALTER TABLE
CHANGE TABLE

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