oracle中instr函数的使用实例
UPDATE ets_check_assets_tmp_yu yushibo SET yushibo.keeper = substr('5510李磊, 0553461', 1, instr('5510李磊, 0553461', ',' , 1, 1) - 1) WHERE yushibo.keeper = '5510李磊, 0553461' 说明:红色的,为数据中特殊字符的割点标示。 同事的写的SQL: UPDATE ETS_CHECK_ASSETS_TMP ECAT SET ECAT.KEEPER = REPLACE(ECAT.KEEPER, &nbs