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Introduction to SQL

Introduction to SQL
Which SQL statement is used to update data in a database?

SAVE
SAVE AS
MODIFY
UPDATE

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Introduction to SQL
Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value.

True
False

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Introduction to SQL
The ADD command is used to enter one row of data or to add multiple rows as a result of a query.

False
True

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Introduction to SQL
Which of the following is the correct order of keywords for SQL SELECT statements?

FROM, WHERE, SELECT
SELECT,WHERE,FROM
SELECT, FROM, WHERE
WHERE, FROM,SELECT

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Introduction to SQL
The keyword LIKE can be used in a WHERE clause to refer to a range of values.

True
False

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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
DISTINCT
SINGLE
ONLY

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