How to test for null values?
What is difference between % ROWTYPE and TYPE RECORD ?
Why are cursors used?
Why do we use subquery?
How to test for null values?
How many times can we commit in a loop?
what is the difference between varray and table data type..please expalain with some examples... under what situation you will go for varray..instead of index by table...
what happens if you no create privilege in a database? : Sql dba
what is a cursor? : Sql dba
what are the advantages of using stored procedures? : Sql dba
How do sql triggers work?
what is the difference between union and union all? : Sql dba
What is procedure and function?