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1.创建表空间

初始创建1024M大小的表空间，以50M大小自动扩，最大没有限制，但是windows默认情况下，表空间文件最大32G.

create tablespace JCJX_DATA
logging  
datafile 'D:\APP\JTV\ORADATA\LMIS\ABC_DATA.dbf' 
size 1024m  
autoextend on  
next 50m maxsize unlimited  
extent management local; 

2. 创建Oracle用户

创建mydata用户，并且默认ABC_DATA表空间

create user mydataidentified by 密码default tablespace ABC_DATAtemporary tablespace TEMPprofile DEFAULT;

3. 给新Oracle新建用户授权

GRANT CONNECT,RESOURCE TO mydata WITH ADMIN OPTION ;
GRANT SELECT ON SYS.V_$SESSION TO mydata;
grant debug connect session to mydata;
grant create any view to mydata;
grant create any synonym to mydata;grant connect to mydata;
grant dba to mydata;
grant exp_full_database to mydata;
grant imp_full_database to mydata;
grant resource to mydata;
grant create any table to mydata;
grant create any trigger to mydata;
grant delete any table to mydata;
grant insert any table to mydata;
grant select any table to mydata;
grant unlimited tablespace to mydata;
grant update any table to mydata;

4. 查询表空间文件路径

 SELECT * FROM V$DBFILE;SELECT tablespace_name, file_name FROM dba_data_files;

5.扩表空间，表空间增加文件

语法：

alter tablespace 表空间名称
add datafile 表空间存放路径  size 表空间大小 autoextend on next 增长的大小 maxsize 空间最大值(如果不限制空间最大值就用unlimited)

例如：

alter tablespace vgsm
add datafile 'c:\oracle\product\10.2.0\oradata\vgsm\vgsm_01.dbf'
size 1024M autoextend on next 50M maxsize unlimited;