Showing posts with label Dynamic SQL Queries in Stored Procedure. Show all posts
Showing posts with label Dynamic SQL Queries in Stored Procedure. Show all posts

Tuesday, February 1, 2011

Building Statements at Run Time

Building Statements at Run Time: "EXEC sp_executesql @SQLString GO"

USE [MyDB]
SET DATEFORMAT DMY
GO
/****** Object:  StoredProcedure [dbo].[GetEventsByCriteria]    Script Date: 02/01/2011 21:01:49 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
alter PROCEDURE [dbo].[GetEventsByCriteria]
(
  @EventStartDate nvarchar(25)
)

As
DECLARE @SQLString NVARCHAR(500)


/* Set column list. CHAR(13) is a carriage return, line feed.*/
SET @SQLString = N'SELECT * FROM EVENTS ' + CHAR(13)

/* Set WHERE clause. */
SET @SQLString = @SQLString + N' WHERE EventStartDate>=''' + @EventStartDate + ''''
-- CONVERT(datetime, @eventstartdate, 103)

/* Set ORDER clause. */
SET @SQLString = @SQLString + N' ORDER BY EventStartDate DESC'
-- CONVERT(datetime, @eventstartdate, 103)

EXEC sp_executesql @SQLString
--CONVERT(varchar(8), ctdate, 112)