Q. Select ________ dept_name from instructor;

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

View solution

Q. To delete a database ___________ command is used.

View solution

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

View solution

Q. _______________ joins are SQL server default.

View solution

Q. To alter a database ___________ command is used.

View solution

Q. The EXISTS keyword will be true if ____________

View solution

Q. Which of the following is an aggregate function?

View solution

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

View solution

Q. The UNION SQL clause can be used with ____________

View solution

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

View solution

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

View solution

Q. Point out the correct statement.

View solution

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

View solution

Q. Constraints can be applied on ___________

View solution

Q. Point out the wrong statement.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Which of the constraint can be enforced one per table?

View solution