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11/29/2007 at 10:59AM PST, ID: 22991414
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10.0

T- SQL Check for String.Empty or Nulls in a Passed Parameter

Asked by msyed1 in Databases Miscellaneous, MS SQL Server

Tags: check, empty, sql, null

I have a stored procedure that receives 20 different parameters as fully built Insert queries...The potential exists though that some of those parameters may be passed to the stored-procedure as empty or nulls.  I need to check to make sure that it is not empty or nulls before I actually EXEC the @SQL.  Can someone please let me know how to do that.  A small portion of the Stored Procedure code is attached.  I have arrows pointing to where I need to check the parameter.  Please show me the right way of doing that.   Help!  msyed1.

  
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CREATE PROCEDURE dbo.USP_InsertNewConnectionTables
@CONNInsertSQL varchar(6000) 
 
 
AS
 
BEGIN TRANSACTION
Set Nocount On
Declare @SQL varchar (6000)
 
 
Select @SQL = @CONNInsertSQL
If @SQL <>     String.Empty or NULLS     <<<===================
Begin
  EXEC(@SQL)
  IF @@ERROR <> 0
   BEGIN
    ROLLBACK TRANSACTION
    RETURN (214)
   END
END
 
 
 
COMMIT TRANSACTION
Return 55
GO
[+][-]11/29/07 11:04 AM, ID: 20376279

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[+][-]11/29/07 11:08 AM, ID: 20376311

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About this solution

Zones: Databases Miscellaneous, MS SQL Server
Tags: check, empty, sql, null
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Solution Provided By: imitchie
Participating Experts: 2
Solution Grade: A
 
 
[+][-]11/29/07 11:11 AM, ID: 20376341

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[+][-]11/29/07 11:30 AM, ID: 20376485

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