What is the difference between union and union all command?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More SQL PLSQL Interview Questions

Is sql a oracle?

0 Answers  


Does inner join return duplicate rows?

0 Answers  


Can i possible to see Table Details ? Ex : Table Name Date Time User Emp May/18/2010 12:59pm Scott

3 Answers  


I want to know last five transactions or records from emp table, from now?

11 Answers   Wells Fargo,


how will i became good database developer?

1 Answers  






What is difference between mysql and postgresql?

0 Answers  


Does oracle roll back the transaction on an error?

0 Answers  


What is the use of sql trace?

0 Answers  


What is on delete set null?

0 Answers  


what is log shipping? : Sql dba

0 Answers  


What is intersect?

1 Answers  


With out using count() function. How to the find total number of rows in a table?

6 Answers  


Categories