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select c.constraint_name,cc.column_name,rcc.owner,rcc.table_name,rcc.column_name
from user_constraints c,user_cons_columns cc,user_cons_columns rcc
where c.owner='SALIEN_SBGL'
and c.table_name='JH_NDGXLGJH_TB'
and c.constraint_type='R'
and c.owner=cc.owner
and c.constraint_name=cc.constraint_name
and c.r_owner=rcc.owner
and c.r_constraint_name=rcc.constraint_name
and cc.position=rcc.position
order by c.constraint_name,cc.position;
--²éѯÁ¬½Óµ½Ä³±íµÄËùÓÐÍâ¼ü(²éij±íµÄËùÓÐ×Ó±í)
select rcc.owner,rcc.table_name,rcc.constraint_name,rcc.column_name,c.table_name,c.constraint_name,cc.column_name
from user_constraints c,user_cons_columns cc,user_cons_columns rcc
where lower(c.owner)='d7i'
and rcc.table_name='R5HOME'
and c.constraint_type='R'
and c.owner=cc.owner
and c.constraint_name=cc.constraint_name
and c.r_owner=rcc.owner
and c.r_constraint_name=rcc.constraint_name
and cc.position=rcc.position
order by c.constraint_name,cc.position
-- ²éѯÖ÷¼üΨһ¼üÔ¼Êø
select c.constraint_name,c.constraint_type,cc.column_name
from user_constraints c,user_cons_columns cc
where c.owner='SALIEN_SBGL'
and c.table_name='JH_NDGXLGJH_TB'
and c.owner=cc.own
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