使用job和存储过程定期的删除库中的数据

CREATE OR REPLACE PROCEDURE sp_kpi_Dropdata

IS

vv_starttime NUMBER(10);

vn_min_days NUMBER;

vn_hour_days NUMBER;

vv_sqlstr VARCHAR2(4000);

BEGIN

vn_min_days := 2; --days

vn_hour_days := 7; --days

BEGIN

-- table's history data

FOR v_cursor IN (SELECT TABLE_NAME

--当前用户可访问的所有分区表的详细分区信息

FROM ALL_tab_partitions a

WHERE TABLE_NAME in

('PB_BSC_KQI_RTKPI_HOU','PB_BSC_KQI_RTKPI_MIN','PB_CELLGROUP_KQI_RTKPI_HOU','PB_CELLGROUP_KQI_RTKPI_MIN'

,'PB_CITY_KQI_RTKPI_HOU','PB_CITY_KQI_RTKPI_MIN','PB_MSC_KQI_RTKPI_HOU','PB_MSC_KQI_RTKPI_MIN' ))



loop

IF (v_cursor.TABLE_NAME like '%MIN') THEN

vv_starttime := (trunc(sysdate)-vn_min_days-1-to_date('19700101','yyyymmdd'))*86400-1;

ELSIF (v_cursor.TABLE_NAME like '%HOU') THEN

vv_starttime := (trunc(sysdate)-vn_hour_days-1-to_date('19700101','yyyymmdd'))*86400-1;

END IF;

BEGIN

vv_sqlstr := 'delete from '||

v_cursor.table_name || ' where starttime<= ' ||

vv_starttime;

EXECUTE IMMEDIATE vv_sqlstr;

commit;

EXCEPTION

WHEN OTHERS THEN

rollback;

END;

END LOOP;

end;

END;

/