how to fetch alternate records from a table? : Sql dba
what is the purpose of update command in oracle?
Why are cursors used?
Is a table valued function object?
What are types of indexes in sql?
How do sql triggers work?
What is program debugging?
how to write utl file pkg in SQL
How do you handle exceptions. Give the syntax for it?
Can a foreign key be a duplicate?
I have a Employee table with columns ename,eid,salary,deptno. How to retrieve sum of salary for each deptno?
When is a declare statement required?
suppose we have a table in which 200 rows. i want to find 101 row ? what the query.... and how we find 4th and 5th highest salary and 1 to 10 highest salary