//创建数据表空间 SINOTRANS

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create tablespace SINOTRANS

logging?

datafile 'E:\oracle\product\10.2.0\oradata\orcl\ZhongWaiYun.dbf'?

size 100m?

autoextend on?

next 32m maxsize 2048m?

extent management local;

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create tablespace gabriel datafile '/home/oracle/oradata/mostdt2/gabriel01.dbf' size 5G

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//创建数据表临时空间?

create temporary tablespace myc2

tempfile 'F:\oracle\product\10.2.0\myc7.dbf'?

size 100m?

autoextend on?

next 32m maxsize 2048m?

extent management local;?

?

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//创建用户并指定密码?

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create user myc7 identified by myc7

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//授予message用户DBA角色的所有权限?

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GRANT DBA TO myc7

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//给用户授予权限?

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grant connect,resource to myc7(db2：指定所有权限)?

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//删除表空间

SQL>drop tablespace SINOTRANSincluding contents and datafiles;

--干掉主键被外表关联的表空间

SQL> drop tablespace mytbs02

2 including contents and datafiles cascade constraints;

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//修改表空间

SQL>alter tablespace myts03 rename to myts03_new;

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//删除用户

drop user myc9 cascade;?

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//cascade参数是级联删除该用户所有对象，经常遇到如用户有对象而未加此参数则用户删不了的问题，所以习惯性的加此参数?