>DELETE InvLines FROM InvLines ;
>    JOIN InvMast ON InvMast.ivl_Invoice = InvLines.ivl_Invoice ;
>	      WHERE InvMast.ivm_Batch = sBatchId
>

>>
>>** Delete the invoice line item records
>>DELETE FROM InvLines;
>>    WHERE ivl_Invoice IN;
>>         (SELECT ivm_Invoice;
>>	      FROM InvMast;
>>	      WHERE ivm_Batch = sBatchId)
>>
>>
>>