Interested to Buy Any Domain ? << Click Here >> for more details...
What is the usage of merge statement?
- 0 Answers
- 1204 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
What is an oracle function?
What do you mean by merge in oracle and how can we merge two tables?
What is Segment Advisor in Oracle?
What is a subquery in oracle?
How do I spool in oracle?
What is the purpose of init.ora. ? how many init.ora exist in oracle installation? suppose there are 3 database on one oracle server, how many init.ora do I have? what are various database objects? how will you identify memmory related performace issue in oralce? any idea about basic architure difference of oracle and db2? comment on which is better , with reasons? what is a fuction based index? is it recommended to use the same. ? what is global temporay table? what is teh signification of the parameter session_cached_cursor ?
What is an Index ?
What WHERE CURRENT OF clause does in a cursor?
Explain the concept of the DUAL table.
How to divide query output into groups in oracle?
I have a table emp. There is only one column in the table. In that , there are only three rows in that column. The value in the first row is 'A' and the value in the second row is 'B' and the third row is 'C'. Now, my question is , How will you write a select query to display the output as B C A Note: order by cannot be used coz it gives us output as CBA. But the output should be BCA.
What is the difference between a primary key & a unique key?
Oracle General 
