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SQL Server While Loop Example with stored procedure

Nov 6, 2012
Introduction

Here I will explain how to use while loop in SQL Server stored procedure with example.

Description

In previous articles I explained Find First and last day of current month in SQL, Convert Rows to Columns in SQL, Joins in SQL Server and many articles relating to SQL Server.  Now I will explain how to use while loop in SQL Server stored procedure with example.

To use while loop in stored procedure we need to write the query like this


DECLARE @loop INT
SET @loop = 0
WHILE @loop <= 10
BEGIN   
SET @loop = @loop + 1   
PRINT @loop
END
If we run above query we will get output like as shown below

Output

In this way we can use while loop in SQL Server.

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1 comments :

roy said...

how to use in query

DECLARE @fromday varchar(30)
DECLARE @endday varchar(30)
DECLARE @month varchar(30)
DECLARE @endmonth varchar(30)
DECLARE @year varchar(30)
DECLARE @endyear varchar(30)
SET @fromday = '1'
SET @endday = '5'
SET @month = 'December'
SET @endmonth = 'September'
SET @year = '2013'
SET @endyear = '2015'

WHILE (@fromday<=@endday)
BEGIN
declare @chl varchar(30)
set @chl='['+@fromday+'],'
set @fromday=@fromday+1;
PRINT @chl

END
select @chl,Comments from Timesheet
go

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