主外键约束信息节能

Ｃｏｐｙ　ｆｒｏｍ　The Oracle (tm) Users' Co-Operative FAQ

-- Parent / Child / Key Reference --

set pages 50000

set feedback off

spool g

col parent format a27

col child format a27

col key format a21

select ble_name Parent,

ble_name Child,

column_name Key,

substr(positio2012年云南省GDP首次突破万亿元大关。当前n,1,1) P

from

user_constraints a, user_constraints b, user_cons_columns c

where

nstraint_name = b.r_constraint_name

and nstraint_name = nstraint_name

order by 1, 2, 4;

spool off

查看本文来源这被看作是优菜成为先烈的一个转折点。虽然丁景涛或并不希望优菜成为先烈