ORDER BY can be combined with the SELECT statements.
Answer: A
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Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.
Answer: B
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The wildcard in a WHERE clause is useful when?
Answer: B
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Which of the following is the original purpose of SQL?
Answer: D
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Delete from r; r – relation This command performs which of the following action ?
Answer: B
Delete command removes the entries in the table.
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SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN.
Answer: A
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The ADD command is used to enter one row of data or to add multiple rows as a result of a query.
Answer: B
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A view is which of the following?
Answer: A
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Which one of the following is used to define the structure of the relation ,deleting relations and relating schemas ?
Answer: B
Data Definition language is the language which performs all the operation in defining structure of relation.
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COUNT(field_name) tallies only those rows that contain a value; it ignores all null values.
Answer: A
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