Можно ли использовать полученные данные через запятую (mysql)

263,265,264,177,254,255

WHERE wn.LESSON IN (a.GROUPS) AND DATE_FORMAT(wn.ASSIGNDATE, '%Y-%m-%d') BETWEEN a.DATEFROM AND a.DATETO AND wn.TYPE = 1

WHERE wn.LESSON IN (a.GROUPS)

WHERE wn.LESSON IN (SELECT groups FROM....) AND DATE_FORMAT(wn.ASSIGNDATE, '%Y-%m-%d') BETWEEN a.DATEFROM AND a.DATETO AND wn.TYPE = 1

SELECT a.ID, a.TEACHER, a.ASSISTANT, a.GROUPS, a.DATEFROM AS dfrom, a.DATETO AS dto, wn.ASSIGNDATE, wn.LESSON,
            CONCAT(a.DATEFROM, ' - ', a.DATETO) AS D_INT,
            upt.USER_NAME AS T_NAME, upt.USER_SURNAME AS T_SURNAME,
            upa.USER_NAME AS A_NAME, upa.USER_SURNAME AS A_SURNAME
            FROM SCH#_ASSISTANT a
            INNER JOIN SCH#_USER ua ON a.ASSISTANT = ua.ID
            INNER JOIN SCH#_USER ut ON a.TEACHER = ut.ID
            INNER JOIN ED_USERPASS upt ON upt.GLOBALID = ut.GLOBALID
            INNER JOIN ED_USERPASS upa ON upa.GLOBALID = ua.GLOBALID
            LEFT JOIN SCH#_WORKNOTE wn ON wn.ASSISTANT = a.ASSISTANT
            WHERE wn.LESSON IN 
            (
                SELECT a.groups
                FROM SCH#_ASSISTANT a
                
            ) 
            AND DATE_FORMAT(wn.ASSIGNDATE, '%Y-%m-%d') BETWEEN a.DATEFROM AND a.DATETO AND wn.TYPE = 1
            ORDER BY a.DATEFROM DESC, upa.USER_NAME,upa.USER_SURNAME, upt.USER_NAME, upt.USER_SURNAME

SELECT a.groups
                FROM SCH26_ASSISTANT a
                INNER JOIN SCH26_USER ua ON a.ASSISTANT = ua.ID
                INNER JOIN SCH26_USER ut ON a.TEACHER = ut.ID
                INNER JOIN ED_USERPASS upt ON upt.GLOBALID = ut.GLOBALID
                INNER JOIN ED_USERPASS upa ON upa.GLOBALID = ua.GLOBALID