ORACLE語(yǔ)法中的INSERT INTO。。。SELECT。。。 收藏

今天寫(xiě)INSERT語(yǔ)句，想直接把一表里的數(shù)據(jù)取出直接插進(jìn)另外一表。結(jié)果語(yǔ)法忘記了。找了半天。真是白癡啊自己，先把找到的語(yǔ)法記錄下來(lái)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;

下面是自己寫(xiě)的。。。RQ字段因?yàn)橐褂肐NDEX，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)));

總結(jié)

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