CREATE PROCEDURE [dbo].[RDS_MergeQuery]
    
        @p_SourceDLSDTable varchar(max),
        @p_TargetDLTable varchar(max),
        @p_axAppName varchar(max),
        @p_timestamp varchar(25),
        @rowsAffected INT OUT

    
AS
        SET NOCOUNT ON;
    DECLARE @SQLString as varchar(max)
    

     -- Performs UPDATES, DELETES, and INSERTS
SET @SQLString =
    'MERGE dbo.' + @p_TargetDLTable +...