ORACLE语法中的INSERT INTO。。。SELECT。。。 收藏
今天写INSERT语句,想直接把一表里的数据取出直接插进另外一表。结果语法忘记了。找了半天。真是白痴啊自己,先把找到的语法记录下来吧。。。
set feedback off;
set pagesize 0;
create table foo (a number, b varchar(10), c varchar(10));
insert into foo values ( 15, 'abc','def' );
insert into foo values (998, 'max','min' );
insert into foo values ( 7, 'bla','bla' );
insert into foo values (632, 'now','then');
insert into foo
(a,b,c)
(select AA,
BB,
CC
from
(select max(a) +1 AA from foo),
(select 'new' BB,
'old' CC from dual));
select * from foo where a = (select max(a) from foo);
drop table foo;
\下面是自己写的。。。RQ字段因为要使用INDEX,所以用BETWEEN
insert into mhmis.t_cxlc_info
(LAST_TRANS_DATE, rq, ch, xc, dwdm)
((select sysdate, a.rq, a.ch, a.xc, a.dwdm
from tdb.t_cxlc_info a
where not exists (select rq, ch, xc, dwdm
from mhmis.t_cxlc_info
where dwdm = a.dwdm
and xc = a.xc
and ch = a.ch
and rq = a.rq)
and (a.rq between to_date('2003-09-22', 'yyyy-mm-dd') and
to_date('2004-09-23', 'yyyy-mm-dd'))
and a.ch in (select b.ch from db_ps_train b)));
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