Q. How many types of constraints are present in SQL Server?

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Q. Which of the following foreign key constraint specifies that the deletion fails with an error?

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Q. Which of the following is not a foreign key constraint?

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Q. Purpose of foreign key constraint in SQL Server is __________

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Q. Point out the wrong statement.

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Q. Constraints can be applied on ___________

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Q. Which of the following constraint does not enforce uniqueness?

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Q. Point out the correct statement.

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Q. Which of the following is not a class of constraint in SQL Server?

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Q. Find all the tuples having temperature greater than ‘Paris’.

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Q. The UNION SQL clause can be used with ____________

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Q. Which is the duplication of computer operations and routine backups to combat any unforeseen problems?

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Q. Which of the following is an aggregate function?

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Q. The EXISTS keyword will be true if ____________

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Q. To alter a database ___________ command is used.

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Q. _______________ joins are SQL server default.

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Q. Which is a duplicate copy of a file program that is stored on a different storage media than the original location?

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Q. To delete a database ___________ command is used.

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Q. Select ________ dept_name from instructor;

Here which of the following displays the unique values of the column?

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Q. Which server can join the indexes when only multiple indexes combined can cover the query?

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