SQL> SQL> select a.username, (select count(*) from all_objects b where b.owner = a.username) cnt, 2 (select avg(object_id ) from all_objects b where b.owner = a.username) avg 3 from all_users a 4 / USERNAME CNT AVG ------------------------------ ---------- ---------- SYS 6520 5009.74064 SYSTEM 422 6095.87678 OUTLN 7 1172.57143 DIP 0 TSMSYS 2 8606.5 INV15 2 16237.5 DBSNMP 46 9592.65217 INV10 2 16227.5 CTXSYS 338 9877.92012 XDB 334 10800.7485 ANONYMOUS 0 USERNAME CNT AVG ------------------------------ ---------- ---------- MDSYS 458 11667.2009 HR 34 12104.5 FLOWS_FILES 11 12717.2727 FLOWS_020100 1085 12813.424 JAVA2S 530 16254.6849 INV11 2 16229.5 INV12 2 16231.5 INV13 2 16233.5 INV14 2 16235.5 PLSQL 0 INV16 2 16239.5 USERNAME CNT AVG ------------------------------ ---------- ---------- INV17 2 16241.5 INV18 2 16243.5 INV19 2 16245.5 INV20 2 16247.5 DEFINER 4 16250.5 27 rows selected. SQL> SQL>