Question
a.
FOREIGN KEY constraints identify and enforce the relationships between tables
b.
A foreign key in one table points to a candidate key in another table
c.
You cannot insert a row with a foreign key value, except NULL, if there is no candidate key with that value
d.
None of the mentioned
Posted under SQL Server
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. Purpose of foreign key constraint in SQL Server is __________
Similar Questions
Discover Related MCQs
Q. Point out the wrong statement.
View solution
Q. Constraints can be applied on ___________
View solution
Q. Which of the following constraint does not enforce uniqueness?
View solution
Q. Point out the correct statement.
View solution
Q. Which of the following is not a class of constraint in SQL Server?
View solution
Q. Find all the tuples having temperature greater than ‘Paris’.
View solution
Q. The UNION SQL clause can be used with ____________
View solution
Q. Which is the duplication of computer operations and routine backups to combat any unforeseen problems?
View solution
Q. Which of the following is an aggregate function?
View solution
Q. The EXISTS keyword will be true if ____________
View solution
Q. To alter a database ___________ command is used.
View solution
Q. _______________ joins are SQL server default.
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. To delete a database ___________ command is used.
View solution
Q. Select ________ dept_name from instructor;
Here which of the following displays the unique values of the column?
View solution
Q. Which server can join the indexes when only multiple indexes combined can cover the query?
View solution
Q. Suppose we are given a view tot credits (year, num credits) giving the total number of credits taken by students in each year.The query that computes averages over the 3 preceding tuples in the specified sort order is _________
View solution
Q. Select ID, GPA from student grades order by GPA ____________
Inorder to give only 10 rank on the whole we should use.
View solution
Q. The ________ connective tests for set membership, where the set is a collection of values produced by a select clause. The _________ connective tests for the absence of set membership.
View solution
Q. Select __________ from instructor where dept name= ’Comp. Sci.’;
Which of the following should be used to find the mean of the salary?
View solution
Suggested Topics
Are you eager to expand your knowledge beyond SQL Server? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!