vendor/yiisoft/yii2/db/oci/Schema.php findConstraints SELECT D.CONSTRAINT_NAME, D.CONSTRAINT_TYPE, C.COLUMN_NAME, C.POSITION, C.TABLE_NAME FROM ALL_CONS_COLUMNS C INNER JOIN ALL_CONSTRAINTS D ON D.OWNER = C.OWNER AND D.CONSTRAINT_NAME = C.CONSTRAINT_NAME WHERE C.OWNER = :schemaName AND C.TABLE_NAME = :tableName ORDER BY D.CONSTRAINT_NAME