What is composite primary key in sql?
Why do we use cursors?
What is the advantage of index in sql?
What is difference between pls_integer and integer?
What is trigger explain it?
Write a query to genarate target column.Please answer me. Advance Thanks. Src Tgt Q10 Quarter to 2010 Q90 Quarter to 1990 Q80 Quarter to 1980 Q74 Quarter to 1974
Types of joins ?
If there are 1 to 100 numbers in a table and in that 100 numbers some 10 numbers are deleted.I want to find out the missing numbers between 1 to 100 by pl/sql how?
How many unique keys can a table have?
What are the different type of joins in sql?
How many postgresql users are there, worldwide?
How to handle bulk data?
What is a Procedure ?