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Introduction to SQL

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

CHANGE TABLE
None of these
MODIFY TABLE
ALTER TABLE

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Introduction to SQL
A subquery in an SQL SELECT statement:

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

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Introduction to SQL
Which of the following SQL commands is used to retrieve data?

SELECT
JOIN
DELETE
INSERT

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Introduction to SQL
Select the right statement to insert values to the student table.

INSERT student VALUES (
INSERT VALUES (
INSERT VALUES INTO student (
INSERT INTO student VALUES (

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Introduction to SQL
To sort the results of a query use:

SORT BY.
ORDER BY.
GROUP BY.
None of these

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Introduction to SQL
Which SQL keyword is used to retrieve only unique values?

DISTINCT
DISTINCTIVE
UNIQUE
DIFFERENT

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