How to update values on multiple rows in oracle?
what is the use of rank function?
Do View contain Data ?
Explain oracle’s system global area (sga).
What is the difference between pre-select and pre-query?
What is the best way to do multi-row insert in oracle?
How to rename an existing table?
how many columns can a plsql table have
I know that i can create a table without a primary key.But is there any significance for that table???? while creating an application.
What is the difference between postgresql and oracle?
What is execute immediate in oracle?
select trunc(round(156.00,-1),-1) from dual;
How to start instance with a minimal initialization parameter file?