insert into SQ_GE_BUILDING_TEMP(BUILDING_ID,ADDR,BUILDING_NAME)(select ID,substr(addr,6),building_name from sq_ge_building)
比对两张表数据
select t.*,b.jzwb from SQ_GE_BUILDING_TEMP t,buile_test b where t.building_name=b.jzwmc and t.addr=b.tdzl
分组统计数据
select t.addr,count(*) from SQ_GE_BUILDING t group by addr
清空表数据
delete from 表;
某列置空
update 表 set 列 =null where 条件;
多列更新
update 表 set ( name=2,sex=1) where 条件;
多表统计
select
( select count(*) from sq_ge_personinfo ) as personifoCount,
( select count(*) from sq_ge_building ) as buildingCount,
(select count(*) from sq_ge_rpr ) as rprCount,
(select count(*) from SQ_ZMMB ) as zmmbCount,
(select count(*) from SYS_USER ) as userCount,
(select count(*) from SQ_INFORMATION ) as informationCount,
(select count(*) from SQ_DAILYFOLLOWUP ) as daiLyFollowUpCount
from dual