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

concatenate EVERY 3rd CHARACTER using FUNCTION and PROCEDURE

concatenate EVERY 3rd CHARACTER using FUNCTION and PROCEDURE----------------

---------------------------USING PROCEDURE---------------------------------
CREATE PROC name_store(@stringname VARCHAR(300))
AS
BEGIN
DECLARE @char_concat varchar(50)=''
DECLARE @i int=3
WHILE(@i<LEN(@stringname))
BEGIN
select @char_concat=@char_concat+substring(@stringname,@i,1)
SET @i=@i+3
END
PRINT @char_concat
END
EXEC name_store 'JFSOAIRFGASLKEHLRUWAH...UDSFJGNZDSFH'

--------------------USING FUNCTION------------------------------------------------

ALTER FUNCTION get_concat_char(@FULLNAME VARCHAR(50))
RETURNS VARCHAR(MAX)
AS
BEGIN
DECLARE @I INT=3
DECLARE @NAME VARCHAR(100)=''
WHILE(@I<LEN(@FULLNAME))
BEGIN
SET @NAME=@NAME+SUBSTRING(@FULLNAME,@I,1)
SET @I=@I+3
END
RETURN @NAME;
END
SELECT  DBO.get_concat_char('JZSDFJJBVSUDFSMAZBXFCVH') 

Print DATABASES and NO OF TABLES in each DATABASE--using CURSOR

------------CREATE PROC for Print DATABASES and NO OF TABLES in each DATABASE---------

ALTER PROC concatination
AS
BEGIN
DECLARE @qry varchar(100)
DECLARE @NAME VARCHAR(MAX)=''
DECLARE c1 CURSOR FOR SELECT name FROM sys.databases
OPEN C1
FETCH NEXT FROM C1 INTO @NAME
WHILE(@@FETCH_STATUS<>-1)
BEGIN
set @qry= 'select '+char(39)+@name+char(39)+',count(*) from '+@name+'.sys.tables'
--EXEC(@qry)
fetch next from c1 into @name
PRINT @qry
END
CLOSE C1
DEALLOCATE C1
END
EXEC concatination

SCRIPT by PROCEDURE

---------------------------PRODUCE SCRIPT through PROCEDURE------------------------

alter PROC usp_get_inserts(@table_name varchar(50)) as
BEGIN
--usp_get_inserts '[TABLE NAME]'
declare @cols varchar(1000) =''
declare @ins varchar(1000)=''
declare @cols_type varchar(max)=''
select @cols=@cols+','+c.name ,@cols_type= @cols_type
+ '+'',''+' +case when t.name in('int','money') then 'cast('+ c.name + ' as varchar(10))' else 'char(39) +'+c.name + '+ CHAR(39)' end
from sys.columns c
INNER JOIN sys.types t ON c.system_type_id = t.system_type_id
where object_id=object_id(@table_name)
set @cols = right(@cols,len(@cols)-1)
set @cols_type = right(@cols_type,len(@cols_type)-5)
set @ins= 'INSERT INTO '+@table_name+'(' + @cols + ') VALUES('
exec('select '''+ @ins + '''+'+ @cols_type + '+'')'' from ' + @table_name)
END

SPLIT FUNCTION

----------------------SPLIT names  using STRING FUNCTIONS--------------------------


/****** Object: UserDefinedFunction [dbo].[Split] Script Date: 08/06/2012 16:16:27 ******/

SET

ANSI_NULLS ON

GO

SET

QUOTED_IDENTIFIER ON

GO

-- select distinct mls_mail_to from gpc_mails where MLS_MESSAGE_FROM='NC' and mls_mail_status is null

create function [dbo].[Split] (@String varchar(8000), @Delimiter char(1))

Returns

@Results Table (Items varchar(8000))

As

Begin

Declare @Index int

Declare @Slice varchar(8000)

Select @Index = 1

If @String Is NULL Return

While @Index != 0

Begin

Select @Index = CharIndex(@Delimiter, @String)

If (@Index != 0)

Select @Slice = left(@String, @Index - 1)

else

Select @Slice = @String

Insert into @Results(Items) Values (@Slice)

Select @String = right(@String, Len(@String) - @Index)

If Len(@String) = 0 break

End

Return

End

 --select * from dbo.Split('1,vagalla,SURESH,reddy',',,')