Posted on 2007-08-13 13:10
leekiang 閱讀(1376)
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oracle
select fk_col.constraint_name, fk_col.table_name, fk_col.column_name
? from user_constraints pk, user_constraints fk, user_cons_columns fk_col
?where pk.table_name = 'TEST'
?? and pk.constraint_type = 'P'
?? and fk.r_constraint_name = pk.constraint_name
?? and fk_col.constraint_name = fk.constraint_name
?order by 2, 3;
select?a.table_name?外鍵表名,a.column_name?外鍵列名,b.table_name?主鍵表名,b.column_name?主鍵列名
from?
(select?a.constraint_name,b.table_name,b.column_name,a.r_constraint_name
from?user_constraints?a,?user_cons_columns?b
WHERE?a.constraint_type='R'
and?a.constraint_name=b.constraint_name
)?a,
(select?distinct?a.r_constraint_name,b.table_name,b.column_name
from?user_constraints?a,?user_cons_columns?b
WHERE???a.constraint_type='R'
and?
a.r_constraint_name=b.constraint_name)
b
where?a.r_constraint_name=b.r_constraint_name