संदर्भित प्राथमिक कुंजी r_owner
. कॉलम में वर्णित है और r_constraint_name
तालिका का ALL_CONSTRAINTS
. यह आपको वह जानकारी देगा जो आप चाहते हैं:
SELECT a.table_name, a.column_name, a.constraint_name, c.owner,
-- referenced pk
c.r_owner, c_pk.table_name r_table_name, c_pk.constraint_name r_pk
FROM all_cons_columns a
JOIN all_constraints c ON a.owner = c.owner
AND a.constraint_name = c.constraint_name
JOIN all_constraints c_pk ON c.r_owner = c_pk.owner
AND c.r_constraint_name = c_pk.constraint_name
WHERE c.constraint_type = 'R'
AND a.table_name = :TableName