yes, for using joint the Primarykey-forignkey of the class are needed to

is that compulsory to have Primarykey-forignkey for joints
(outer inner,equal)

Question Posted / guest

Answer Posted / guest

yes, for using joint the Primarykey-forignkey of the class
are needed to retrive the data without data-inconsistance

Is This Answer Correct ?

7 Yes

2 No

Please Help Members By Posting Answers For Below Questions

What are the differences between stored procedure and functions?

560

Give an example for execution of sql statement.

605

Is it possible to connect to multiple databases simultaneously?

634

What are the considerations for deciding on transaction boundaries?

646

How many ways can you update a result set?

654

What is jdbc driver?

554

What are the common tasks of JDBC?

641

What is meant by jdbc?

594

Does jdbc use ssl?

581

What are JDBC Best Practices?

649

There is a method getColumnCount in the JDBC API. Is there a similar method to find the number of rows in a result set?

696

How can you make a connection?

618

What do you mean by odbc?

663

What are the different types of JDBC drivers?

690

What are the new features added to JDBC 4.0?

621