SELECT CONVERT(VARCHAR(30), MIN(O.NAME)) AS T_NAME ,LTRIM(STR(SUM(RESERVED) * 8192.0 / 1024.0, 15, 0) + ' KB') AS T_SIZE FROM SYSINDEXES I INNER JOIN SYSOBJECTS O ON O.ID = I.ID WHERE I.INDID IN (0, 1, 255) AND O.XTYPE='U' GROUP BY I.ID ORDER BY SUM(RESERVED) * 8192.0 / 1024.0 DESC --ORDER BY T_NAME