This is one of the important function in sql server.It helps to handle the NULL .Please watch full video for more detail.
Declare @a varchar(100)
set @a =null
select isnull(@a,'')+'shrikant'
Declare @a int
set @a =null
select 1*100 *isnull(@a ,1)
On this page of the site you can watch the video online Ways to replace NULL in sql server with a duration of hours minute second in good quality, which was uploaded by the user Sql Is Easy 30 December 2017, share the link with friends and acquaintances, this video has already been watched 4,405 times on youtube and it was liked by 15 viewers. Enjoy your viewing!