Why functions are used in sql?
What is the main difference between sql and pl/sql?
Can a select statement fire a trigger?
What is an inner join sql?
Is delete faster than truncate?
what is HASH join?
What are packages in pl sql and also explain its advantages?
Does a primary key have to be a number?
why we use nocopy?
What are procedures used for?
What does where 1/2 mean in sql?
With out using count() function. How to the find total number of rows in a table?
what happens if you no create privilege in a database? : Sql dba