Define the unique constraints for the table client, Database Management System

Assignment Help:

Define the following constraints for the table client.

(i) BAL_DUE must be at least 1000.
(ii) NAME is a unique key.

(i)ALTER TABLE CLIENT
ADD CONSTRAINT CLIENT_BAL_DUE_C1 CHECK(BAL_DUE < 1000);
(ii) ALTER TABLE CLIENT
ADD CONSTRAINT CLIENT_NAME_U UNIQUE(NAME);


Related Discussions:- Define the unique constraints for the table client

Define granularity and hierarchy of granularity of locks, Define granularit...

Define granularity, hierarchy of granularity of locks & multiple granularity locking. Explain the modified two phase locking along with multiple granularity locking. Ans: The s

Explain weak and strong entity sets, Explain weak and strong entity sets? ...

Explain weak and strong entity sets? Weak and Strong entity sets: A physically powerful entity set has a primary key. All tuples in the group are distinguishable through that k

What is a security, What is a security? Securities are claims on financ...

What is a security? Securities are claims on financial assets.  They can be illustrated as "claim checks" which give their owners the right to receive funds in the future.  Sec

Explain the dynamic hashing techniques, Explain the Dynamic Hashing Techniq...

Explain the Dynamic Hashing Techniques There are two methods in it: extendible hashing - stores an access structure in addition to the file, and therefore is somewhat identica

Mention the purpose of sid and sod lines, Mention the purpose of SID and SO...

Mention the purpose of SID and SOD lines SID (Serial input data line): It is an input line by which the microprocessor accepts serial data. SOD (Serial output data line)

Assignment, how does Btree differ from a B+ - tree?

how does Btree differ from a B+ - tree?

Query evolution, what is query processing ,query optimization and performan...

what is query processing ,query optimization and performance turring?

When is update_statistics command used, When is UPDATE_STATISTICS command u...

When is UPDATE_STATISTICS command used? - When processing of large data is done, this command is used. - Whenever large number of modification, deletions or copy takes place

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd