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Introduction to SQL

Introduction to SQL
In SQL, which of the following is not a data definition language commands?

REVOKE
GRANT
RENAME
UPDATE

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Introduction to SQL
SELECT DISTINCT is used if a user wishes to see duplicate columns in a query.

False
True

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Introduction to SQL
The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.

True
False

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Introduction to SQL
............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

NATURAL JOIN
OUTER JOIN
NON-EQUIJOIN
EQUIJOIN

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Introduction to SQL
The SQL WHERE clause:

Both A and B are correct.
Neither A nor B are correct.
limits the column data that are returned.
limits the row data are returned.

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Introduction to SQL
Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.

False
True

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