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Introduction to SQL

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

UPDATE
SAVE
SAVE AS
MODIFY

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Introduction to SQL
Which SQL statement is used to delete data FROM a database?

COLLAPSE
REMOVE
ALTER
DELETE

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

All of these
Data types
Default values
Primary keys

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Introduction to SQL
A subquery in an SQL SELECT statement:

can only be used with two tables.
cannot have its results sorted using ORDER BY.
has a distinct form that cannot be duplicated by a join.
can always be duplicated by a join.

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

All of these
ALTER TABLE
CHANGE TABLE
MODIFY TABLE

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Introduction to SQL
DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement.

False
True

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