修改表空間數據文件大小爲不限制的語句爲:
alter database datafile '/oradata/orcl/demo01.dbf' autoextend on maxsize unlimited;
創建表空間數據文件大小爲不限制的語句爲:
create tablespace demo2 datafile '/oradata/orcl/demo201.dbf' size 10M autoextend on maxsize unlimited;
--2.手動增加數據文件尺寸
alter database datafile '/oracle/oradata/db/game.dbf'resize 4000m;
--3.設定數據文件自動擴展
alter database datafile '/oracle/oradata/db/game.dbf'
autoextend on next 100m maxsize 10000m;
1:創建臨時表空間
create temporary tablespace user_temp
tempfile 'D:\sinosoft\oracle\oradata\orcl\xxx\xxx_temp.dbf'
size 50M
autoextend on maxsize unlimited
extent management local;
2:創建數據表空間
create tablespace user_data
logging
datafile 'D:\sinosoft\oracle\oradata\orcl\xxx\xxx_data.dbf'
size 50M
autoextend on maxsize unlimited
extent management local;
第3步:創建用戶並指定表空間(帳號祕密都爲:xxx)
create user xxx identified by xxx
default tablespace user_data
temporary tablespace user_temp;
第4步:給用戶授予權限
grant connect,resource,dba to xxx;
select * from dba_tablespaces --查看錶空間
--查看錶空間文件路徑
select tablespace_name,file_id,bytes/1024/1024,file_name
from dba_data_files order by file_id;
--查看用戶和默認表空間的關係
select username,default_tablespace from dba_users;