Explain different types of Views ?

Answer Posted / sweta

There are two types of view-
1.Simple view(does not contain function, only one table exists,allow DML operation)
2.Complex View (Allow function,multiple table,did not allow DML operations all time)

Attributes of view --
1.with check option
2.read only
3.Force|Noforce

Is This Answer Correct ?    6 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain what are super servers?

606


What is a sequence in a database?

561


Define atomicity and aggregation.

645


What are the differences between drop, truncate and delete commands?

633


What are the features of a database management system?

557






What is the purpose of normalisation?

614


What is 2nf in the dbms?

618


why an information gap exists in most organizations.

603


Explain the necessary techniques to control deadlocks?

539


Describe concurrency control.

626


For each user who needs access, the DBA creates an account in which database?

674


Operators used in select statements are?

551


What is the relationship?

611


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

1490


what are the differences between an exclusive lock and a shared lock?

585