Oracle查询更新多个字段

update DOC_MI_PROCESS_SUB A
set (material_group, process_secrion) =
(SELECT B.material_group,
B.process_secrion
FROM DOC_MI_PROCESS_SUB A2, INFO_PROCESS_SUB B
WHERE A2.PROCESS_SUB_ID = B.PROCESS_SUB_ID AND A2.MI_LIST_ID=‘2010’ and A.MI_PROCESS_SUB_ID=A2.MI_PROCESS_SUB_ID )
where A.mi_list_id=‘2010’;