Performance over join..

Question

me using these three select
this taking hell lot of time.. any ways to improve these..
for all entries taking more then tht.. so please dont suggest tht.
its critial issue help me out..
SELECT BWERKS AVBELN B~MATNR
           AFKDAT ASPART AVTWEG AERDAT A~ERZET
           BVGBEL BAUBEL
           A~FKART              "Added by Arun pandey 08/05/2007
           BNETWR BFKIMG B~MWSBP
           FROM VBRP AS B
           JOIN VBRK AS A ON AVBELN = BVBELN INTO TABLE IT_INV
           WHERE A~FKART IN S_FKART
             AND ( ASPART IN S_SPART AND ASPART <> 'ST' )
             AND A~FKDAT IN S_FKDAT
             AND ( AVTWEG IN S_VTWEG AND AVTWEG <> 'ST' )
             AND A~FKSTO <> 'X'
             AND A~KUNAG IN S_CUST
             AND B~WERKS = S_WERKS.
SELECT AVBELN BPOSNR BMATNR BVGBEL AKUNNR AERDAT A~ERZET
           ALFDAT BLFIMG
           FROM LIKP AS A JOIN LIPS AS B ON AVBELN = BVBELN
           INTO TABLE IT_DELV
           FOR ALL ENTRIES IN IT_INV
           WHERE A~VBELN = IT_INV-VGBEL
           AND B~MATNR = IT_INV-MATNR.
SELECT AVBELN ABSTNK AAUART AKUNNR
             AVKBUR AVKGRP BNAME1 BORT01
             FROM VBAK AS A JOIN KNA1 AS B ON AKUNNR = BKUNNR
             INTO TABLE IT_ORDER
             FOR ALL ENTRIES IN IT_DELVHEAD
             WHERE A~VBELN = IT_DELVHEAD-VGBEL.

Answer 1

Hi,
Check for not initial condition of internal tables before your select statements which use "For all entries in" , else if its initial, its going to pick up the complete table entries.
Shruthi