oracle 表空间

//创建临时表空间create temporary tablespace ts_temp_date  /*临时名*/tempfile 'E:\Ksoftware\oracle_install\oradata\ts_temp_date.dbf' /*位置*/ size 50m autoextend on  next 50m maxsize 20480m    /*自动扩充*/extent management local  //创建表空间create tablespace ts_data  logging  datafile 'E:\Ksoftware\oracle_install\oradata\ts_data.dbf'size 50m  autoextend on  next 50m maxsize 20480m   /*自动扩充*/extent management local//查看表空间SELECT DBMS_METADATA.GET_DDL('TABLESPACE', TS.tablespace_name) FROM DBA_TABLESPACES TS//删除表空间DROP TABLESPACE ts_temp INCLUDING CONTENTS AND DATAFILES//查询表空间（*）所有属性  select * from dba_data_files where tablespace_name='TS_TEMP'//更新表空间名ALTER TABLESPACE ts_temp RENAME TO ts_temp-------------------------------------------------------------------//创建临时表空间  create temporary tablespace user_temp  tempfile 'D:\oracle\oradata\Oracle9i\user_temp.dbf' size 50m  autoextend on  next 50m maxsize 20480m  extent management local;  //创建数据表空间  create tablespace test_data  logging  datafile 'D:\oracle\oradata\Oracle9i\user_data.dbf' size 50m  autoextend on  next 50m maxsize 20480m  extent management local;  //创建用户并指定表空间  create user username identified by password  default tablespace user_data  temporary tablespace user_temp;   //给用户授予权限   grant connect,resource to username;   //以后以该用户登录，创建的任何数据库对象都属于user_temp 和user_data表空间，这就不用在每创建一个对象给其指定表空间了 撤权：         revoke   权限...   from  用户名;删除用户命令drop user user_name cascade;建立表空间CREATE TABLESPACE data01DATAFILE '/oracle/oradata/db/DATA01.dbf' SIZE 500MUNIFORM SIZE 128k; #指定区尺寸为128k,如不指定，区尺寸默认为64k删除表空间DROP TABLESPACE data01 INCL ING CONTENTS AND DATAFILES;一、建立表空间CREATE TABLESPACE data01DATAFILE '/oracle/oradata/db/DATA01.dbf' SIZE 500MUNIFORM SIZE 128k; #指定区尺寸为128k,如不指定，区尺寸默认为64k二、建立UNDO表空间CREATE UNDO TABLESPACE UNDOTBS02DATAFILE '/oracle/oradata/db/UNDOTBS02.dbf' SIZE 50M#注意：在OPEN状态下某些时刻只能用一个UNDO表空间，如果要用新建的表空间，必须切换到该表空间:ALTER SYSTEM SET undo_tablespace=UNDOTBS02;三、建立临时表空间CREATE TEMPORARY TABLESPACE temp_dataTEMPFILE '/oracle/oradata/db/TEMP_DATA.dbf' SIZE 50M四、改变表空间状态1.使表空间脱机ALTER TABLESPACE game OFFLINE;如果是意外删除了数据文件，则必须带有RECOVER选项ALTER TABLESPACE game OFFLINE FOR RECOVER;2.使表空间联机ALTER TABLESPACE game ONLINE;3.使数据文件脱机ALTER DATABASE DATAFILE 3 OFFLINE;4.使数据文件联机ALTER DATABASE DATAFILE 3 ONLINE;5.使表空间只读ALTER TABLESPACE game READ ONLY;6.使表空间可读写ALTER TABLESPACE game READ WRITE;五、删除表空间DROP TABLESPACE data01 INCL ING CONTENTS AND DATAFILES;六、扩展表空间首先查看表空间的名字和所属文件select tablespace_name, file_id, file_name,round(bytes/(1024*1024),0) total_spacefrom dba_data_filesorder by tablespace_name;1.增加数据文件ALTER TABLESPACE gameADD DATAFILE '/oracle/oradata/db/GAME02.dbf' SIZE 1000M;2.手动增加数据文件尺寸ALTER DATABASE DATAFILE '/oracle/oradata/db/GAME.dbf'RESIZE 4000M;3.设定数据文件自动扩展ALTER DATABASE DATAFILE '/oracle/oradata/db/GAME.dbfAUTOEXTEND ON NEXT 100MMAXSIZE 10000M;设定后查看表空间信息SELECT A.TABLESPACE_NAME,A.BYTES TOTAL,B.BYTES USED, C.BYTES FREE,(B.BYTES*100)/A.BYTES "% USED",(C.BYTES*100)/A.BYTES "% FREE"FROM SYS.SM$TS_AVAIL A,SYS.SM$TS_USED B,SYS.SM$TS_FREE CWHERE A.TABLESPACE_NAME=B.TABLESPACE_NAME AND A.TABLESPACE_NAME=C.TABLESPACE