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Introduction to SQL

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

All of these
CHANGE TABLE
ALTER TABLE
MODIFY TABLE

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Introduction to SQL
A subquery in an SQL SELECT statement is enclosed in:

parenthesis -- (...) .
CAPITAL LETTERS.
brackets -- [...].
braces -- {...}.

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

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

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

True
False

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Introduction to SQL
Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints

0
9
10
5

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