Suresh is perfectly correct

what is the difference between union and union all

Question Posted / sugumar.p

Answer Posted / sugumar.p

Is This Answer Correct ?

20 Yes

7 No

Please Help Members By Posting Answers For Below Questions

What is use of package in pl sql?

946

What is the difference between mdf and ndf files?

1060

What is the use of stored procedures?

972

Explain ddl statements in pl/sql?

957

Can a procedure in a package be overloaded?

981

What is the default isolation level in sql server? : Transact sql

961

What is trigger in pl sql?

954

what is the difference between primary key and unique key? : Sql dba

967

Is sql database free?

923

How do I run a query in pl sql developer?

925

Can you call pl/sql package functions from within a fast formula?

972

Is it important to partition hard disk?

964

How to write a query to show the details of a student from students table whose

936

What does sql stand for?

941

What is a primary key sql?

989