REFERENCE SITES for SQL

-----------------REFERENCE SITES for SQL-------------------

1.http://www.1keydata.com/sql/sql.html

2.http://www.dotnet-tricks.com/Tutorial/sqlserverlist

3.http://sqlservercodebook.blogspot.in/2008/03/sql-string-functions-tutorial.html

4.http://www.c-sharpcorner.com/uploadfile/raj1979/functions-in-sql-server-2005/

5.http://sqlmag.com/sql-server/sql-server-2008

6.http://skyserver.sdss3.org/dr8/en/tools/search/sql.asp?cmd=SELECT%20top%2010%20objID%2C%20ra%2C%20dec%2C%20g%2C%20clean%0D%0AFROM%20PhotoObj%0D%0AWHERE%20CLEAN%3D1%0D%0A

7.http://www.sqlservercurry.com/search/label/Transact%20SQL%20T-SQL

8.http://sqlexplore.wordpress.com/category/database/

DYNAMIC SQL

-------------DYNAMIC SQL----------------

alter proc emp_ins (@name varchar(100) , @empno int out )

as

 begin

 declare @query nvarchar(500)=( 'select @i_empno=empno from emp where ename =@in_name ')

 exec sp_executesql @query,N'@in_name varchar(100),@i_empno int out'  ,@in_name=@name,@i_empno=@empno out

end
　
　

declare @c int

exec emp_ins 'smith',@c out

print @c

TABLE VALUED PARAMETERS (CREATE TYPE)

---------------table valued parameters-----------------

Create table xx(id int identity primary key, name varchar(10),gender bit)
 CREATE TYPE [dbo].xx_type AS TABLE(
 id int , name varchar(10),gender bit,isModified bit
 )GO　insert into xx select 'c',1
　declare @my_type xx_type
 
insert into @my_type
 select *,0 as isModified from xx
 update @my_type set name='cc',ismodified=1 where id=3
 insert into @my_type select 0,'d',1,0 -- is modified should be zero for newly inserted records
 insert into @my_type select 0,'e',1,0 -- is modified should be zero for newly inserted records
 　
　exec USP_XX_Modify @my_type
 Create PRoc USP_XX_Modify(@my_type xx_type readonly) AS
BEGIN -- updating modified recordsupdate At set name=t.name , gender=t.gender 
from @my_type t inner join xx AT on t.id=at.id 
where isModified=1
-- inserting newly passed recordsInsert into xx
select name,gender from @my_type where id=0
END　select * from xx