Explain different types of Views ?

Answer Posted / 9742108000(venu gopal reddy)

The views are Mainly 2 types .
1-> SIMPLE VIEW
2-> COMPLEX VIEW

Simple view:
- It is created by selecting only one table.
- It does not contains functions.
- it can perform DML (SELECT,INSERT,UPDATE,DELETE,MERGE, CALL,LOCK TABLE) operations through simple view.
Complex view :

-It is created by selecting more than one table.
-It can performs functions.
-You can not perform always DML operations through Complex views.

Is This Answer Correct ?    22 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Is the server accepting tcp ip connections on port 5432?

496


How do databases work?

509


Describe reporting lifecycle?

508


What are the two types of data independence?

551


Explain about the properties of cursors?

510






What are the advantages of manual database?

470


What are the 5 databases?

472


i have all the Oracle Certification material from 1z0-001 to 1Z0-643, if required just drop me a mail to: summi4you@yahoo.co.in

1416


State some commands of ddl in dbms?

508


What is pdo in database?

492


What is data abstraction in dbms?

592


What is foreign key in dbms?

479


How many types of users in dbms?

447


what is the difference between two and three-tier architectures?

467


What is type of end users?

465