batasan integritas oracle

Kolom apa ATTR_TYPE_VALUE_FK02 didefinisikan dan tabel dan kolom apa yang Anda rujuk?

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SELECT fk_columns.table_name,
       fk_columns.column_name,
       fk_columns.position,
       pk_columns.table_name,
       pk_columns.column_name,
       pk_columns.position
  FROM all_constraints fk_constraint,
       all_cons_columns fk_columns,
       all_cons_columns pk_columns
 WHERE fk_constraint.owner             = 'LO'
   AND fk_constraint.constraint_name   = 'ATTR_TYPE_VALUE_FK02'
   AND fk_constraint.owner             = fk_columns.owner
   AND fk_constraint.constraint_name   = fk_columns.constraint_name
   AND fk_constraint.r_owner           = pk_columns.owner
   AND fk_constraint.r_constraint_name = pk_columns.constraint_name

constraint_nameconstraint_name