oracle表空间管理和用户管理 --查看表空间和数据文件 select file_name,tablespace_name,autoextensible from dba_data_files; --数据表空间 CREATE TABLESPACE USER_DATA LOGGING DATAFILE 'D:/ORACLE/ORADATA/ORCL/test.DBF' SIZE 50m REUSE , 'c:/USERS01112.DBF' SIZE 50m REUSE AUTOEXTEND ON NEXT 1280K MAXSIZE 16383M EXTENT MANAGEMENT LOCAL --临时表空间 CREATE TEMPORARY TABLESPACE USER_DATA_TEMP TEMPFILE 'D:/TEMP0111.DBF' SIZE 50M REUSE AUTOEXTEND ON NEXT 1024K MAXSIZE 16383M EXTENT MANAGEMENT LOCAL UNIFORM SIZE 1024K --增加数据文件 ALTER TABLESPACE USER_DATA ADDDATAFILE 'c:/USERS01113.DBF' SIZE 50M; ALTER TABLESPACE USER_DATA ADDDATAFILE 'c:/USERS01114.DBF' SIZE 50M AUTOEXTEND ON ; --删除表空间 DROP TABLESPACE USER_DATA INCLUDING CONTENTS; --修改数据文件大小 ALTER DATABASE DATAFILE 'c:/USERS01113.DBF' RESIZE 40M; --创建用户、赋予权限 CREATE USER USER_DATA PROFILE DEFAULT IDENTIFIED BY USER_DATA DEFAULT TABLESPACE USER_DATA TEMPORARY TABLESPACE USER_DATA ACCOUNT UNLOCK; GRANT CONNECT TO USER_DATA; GRANT RESOURCE TO USER_DATA; --把表移到另一个表空间 ALTER TABLE TABLENAME MOVE TABLESPACE TABLESPACENAME; --创建索引 CREATE INDEX INDEXNAME ON TABLENAME(COLUMNNAME); CREATE INDEX INDEXNAME ON TABLENAME(COLUMNNAME) TABLESPACE TABLESPACENAME; --重新建立索引 ALTER INDEX INDEXNAME REBUILD TABLESPACE TABLESPACE;