WITH RECURSIVE t3 (DATA_SEQ, PARENTS, FOLDER_NAME) AS
	(
		############# 첫 번째 쿼리 ################
		SELECT 
			t1.DATA_SEQ, 
			t1.PARENTS, 
			f1.FOLDER_NAME
		FROM DRIVE_DATA t1
		LEFT JOIN FOLDER f1 
			ON t1.DATA_SEQ = f1.DATA_SEQ 
		WHERE t1.DATA_SEQ = '180'
			AND t1.DATA_TYPE = '0'
		###########################################
	
		UNION ALL

		############# 두 번째 쿼리 ################
		SELECT 
			t2.DATA_SEQ, 
			t2.PARENTS, 
			f2.FOLDER_NAME 
		FROM DRIVE_DATA t2
		JOIN t3      # JOIN주의!!!
			ON t2.DATA_SEQ = t3.PARENTS
		LEFT JOIN FOLDER f2 
			ON t2.DATA_SEQ = f2.DATA_SEQ
	    ##########################################
	)
SELECT * FROM t3
SELECT t3.DATA_SEQ, t3.FOLDER_NAME FROM t3;