SELECT SS.SEC_NAME, (SELECT '; ' + US.USR_NAME FROM USRS US WHERE US.SEC_ID = SS.SEC_ID FOR XML PATH('')) [SECTORS/USERS] FROM SALES_SECTORS SS GROUP BY SS.SEC_ID, SS.SEC_NAME ORDER BY 1
SELECT SS.SEC_NAME, (SELECT '; ' + US.USR_NAME FROM USRS US WHERE US.SEC_ID = SS.SEC_ID FOR XML PATH('')) [SECTORS/USERS] FROM SALES_SECTORS SS GROUP BY SS.SEC_ID, SS.SEC_NAME ORDER BY 1