Thursday, 16 January 2014

IS NOT NULL

IS NOT NULL is a comparison that evaluates to TRUE if the expression is not a null value. You can use the IS NOT NULL condition in either a SQL statement or in a block of PLSQL code.
ref: http://www.techonthenet.com/oracle/isnotnull.php

1 comment:

  1. I have a small doubt.

    IS NOT NULL
    =NULL
    ='NULL'
    are they give same results?

    ReplyDelete