@ and @@ parameters

[Sonia Gupta]

what is the basic difference between @a and @@a type parameter?

Soniagupta1@yahoo.co.in Yahoo Messenger Id = soniagupta1

[Joe 2]

You may like to make a quick reference from here[^]

[Sonia Gupta]

thanQ

Soniagupta1@yahoo.co.in Yahoo Messenger Id = soniagupta1

[Pete OHanlon]

Sonia - will you please buy some books? And will you start off by learning to use google? This information is readily available with a simple search.

Deja View - the feeling that you've seen this post before.

[squattyarun]

@ parameter are defined by user they are local variables in Sql. but @@ variables are global and defined by system only....