Showing posts with label sql common table expression example. Show all posts
Showing posts with label sql common table expression example. Show all posts

Saturday, October 20, 2012

most simple example to understand common table expression in sql

Just declaration of a temporary table with single column 
declare @temp1 table
 (
   id int
 )

insert statement to insert one row in temporary table @temp1

 insert into @temp1 select 1
 common table expression example to recursively increase the column Id. i think this is the most simple example of looping or recursion to print 1 to 10 with out printing each statement individually .... :)








Here is code of common table expression in sql  
;with cte As
   (
     select id from @temp1
     union all
     select id+1 from cte where id<10 br="br">   )
   select * from cte
sql fiddle for this post can be find here sqlfiddle link 

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