SYSTEM TABLESPACE USAGE NOTES: Username - Name of the user Created - User creation date Profile - Name of resource profile assigned to the user Default Tablespace - Default tablespace for data objects Temporary Tablespace - Default tablespace for temporary objects Only SYS, SYSTEM and possibly DBSNMP should have their default tablespace set to SYSTEM. select USERNAME, CREATED, PROFILE, DEFAULT_TABLESPACE, TEMPORARY_TABLESPACE from dba_users order by USERNAME Objects in SYSTEM TS OBJECTS IN SYSTEM TABLESPACE NOTES: Owner - Owner of the object Object Name - Name of object Object Type - Type of object Tablespace - Tablespace name Size - Size (bytes) of object Any user (other than SYS, SYSTEM) should have their objects moved out of the SYSTEM tablespace select OWNER, SEGMENT_NAME, SEGMENT_TYPE, TABLESPACE_NAME, BYTES from dba_segments where TABLESPACE_NAME = 'SYSTEM' and OWNER not in ('SYS','SYSTEM') order by OWNER, SEGMENT_NAME |