How imrove the peformance of VBFA table in select statements.

Hi,
whenever execute program in production, program execution will taking long time due to below select statement.
Please help me how we imrove performance?
SELECT vbelv vbeln posnn vbtyp_v
FROM vbfa
INTO TABLE l_i_vbfa
FOR ALL ENTRIES IN l_i_bill_cs
WHERE vbeln EQ l_i_bill_cs-vbeln
AND posnn EQ '000010'
AND vbtyp_n IN ('K', 'H'). "MOD-024--
AND vbtyp_v IN ('K', 'H'). "MOD-024++
SORT l_i_vbfa BY vbeln vbtyp_n.
Regards,
Naidu
Moderator message: third time I have to remind you: for performance problems with VBFA table please search for previous discussions of the same topic
Edited by: Thomas Zloch on Nov 9, 2010 12:41 PM

Hi Naidu,
ranges: r_vbtypv type vbfa-r_vbtyp_v.
CLEAR r_vbtypv.
r_vbtypv-option = 'EQ'.
r_vbtypv-sign   = 'I'.
r_vbtypv-low    = 'K'.
APPEND r_vbtypv.
CLEAR r_vbtypv.
r_vbtypvl-option = 'EQ'.
r_vbtypv-sign   = 'I'.
r_vbtypv-low    = 'H'.
APPEND r_vbtypv.
sort l_i_bill_cs by vbenl.
if not l_i_bill_cs[] is initial.
SELECT vbelv vbeln posnn vbtyp_v
FROM vbfa
INTO TABLE l_i_vbfa
FOR ALL ENTRIES IN l_i_bill_cs
WHERE vbeln EQ l_i_bill_cs-vbeln
AND posnn EQ '000010'
AND vbtyp_v IN r_anlkl.
endif.
SORT l_i_vbfa BY vbeln vbtyp_n.
Thanks,
Nelson

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