#创建表空间 CREATE SMALLFILE TABLESPACE USERNAME DATAFILE '/home/oracle/oradata/orcl/USERNAME' SIZE 500M LOGGING EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO #修改表空间 alter tablespace USERNAME ADD datafile '/home/oracle/oradata
#修改表空间
alter tablespace USERNAME ADD datafile '/home/oracle/oradata/orcl/USERNAME.dbf'
size 500m autoextend on next 200m maxsize 3072m;
DROP TABLESPACE USERNAME INCLUDING CONTENTS AND DATAFILES;
#删除用户
DROP USER 用户名 CASCADE;
#创建用户
create user 用户名 identified by “密码” default tablespace USERNAME temporary tablespace TEMP profile DEFAULT;
-- Grant/Revoke role privileges
grant connect to 用户名 with admin option;
grant dba to 用户名 with admin option;
grant resource to 用户名 with admin option;
-- Grant/Revoke system privileges
grant unlimited tablespace to 用户名 with admin option;