强制索引使用
update /*+INDEX(BIPOSINFOTB,PK_BIPOSINFOTB)*/ BIPOSINFOTB
set pos_chk_stat=0, last_mode_time=20150212205655
where (((pos_code=85301232 and pos_stat=0) and pos_merchant=16053112270) and pos_chk_stat=0) ;
set pos_chk_stat=0, last_mode_time=20150212205655
where (((pos_code=85301232 and pos_stat=0) and pos_merchant=16053112270) and pos_chk_stat=0) ;
select /*+INDEX(BIPOSINFOTB,PK_BIPOSINFOTB)*/ * from BIPOSINFOTB
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