数据库无法修改与非键值保存表对应的列
SQL> select * from dba_users;
USERNAME USER_ID PASSWORD ACCOUNT_STATUS LOCK_DATE EXPIRY_DATE DEFAULT_TABLESPACE TEMPORARY_TABLESPACE CREATED PROFILE INITIAL_RSRC_CONSUMER_GROUP EXTERNAL_NAME
------------------------------ ---------- ------------------------------ -------------------------------- ----------- ----------- ------------------------------ ------------------------------ ----------- ------------------------------ ------------------------------ --------------------------------------------
MGMT_VIEW 53 F25A184809D6458D OPEN SYSTEM TEMP 2005/8/30 1 DEFAULT DEFAULT_CONSUMER_GROUP
SYS 0 8F496E0A85640576 OPEN SYSTEM TEMP 2005/8/30 1 DEFAULT SYS_GROUP