创建表空间、用户、扩容、移动数据文件

1、创建新的表空间；

2、创建用户；

3、通过修改文件大小与增加文件的方式扩容表空间；

4、人为移动数据文件，检验创建表的效果；

1、创建新的表空间；

SQL> create tablespace test_data   2  logging   3  datafile '/opt/oracle/oradata/bisal/test_data_01.dbf'   4  size 10M   5  autoextend on   6  next 10m maxsize 2000m   7  extent management local; Tablespace created.

[oracle@liu bisal]$ ls -rlht total 1.5G -rw-r----- 1 oracle oinstall  11M Sep 27 22:56 test_data_01.dbf

2、创建用户；

SQL> create user test_data identified by test_data   2  default tablespace test_data   3  temporary tablespace tempts1; User created.

SQL> select username from dba_users; USERNAME ------------------------------ TEST_DATA

3、通过修改文件大小与增加文件的方式扩容表空间；

SQL> alter database datafile '/opt/oracle/oradata/bisal/test_data_01.dbf' resize 25m; Database altered.

[oracle@liu bisal]$ ls -rlht total 1.5G -rw-r----- 1 oracle oinstall  26M Sep 27 23:01 test_data_01.dbf

SQL> alter tablespace test_data add datafile '/opt/oracle/oradata/bisal/test_data_02.dbf' size 3m; Tablespace altered.

[oracle@liu bisal]$ ls -rlht total 1.5G -rw-r----- 1 oracle oinstall  26M Sep 27 23:01 test_data_01.dbf -rw-r----- 1 oracle oinstall 3.1M Sep 27 23:03 test_data_02.dbf

4、人为移动数据文件，检验创建表的效果；

mv test_data_01.dbf ../.

mv test_data_02.dbf ../.

用该用户登录之前需要赋予相关权限：

CREATE SESSION权限：

[oracle@liu Desktop]$ sqlplus test_data/test_data SQL*Plus: Release 10.2.0.1.0 - Production on Fri Sep 27 23:40:23 2013 Copyright (c) 1982, 2005, Oracle.  All rights reserved. ERROR: ORA-01045: user TEST_DATA lacks CREATE SESSION privilege; logon denied Enter user-name:  ERROR: ORA-01017: invalid username/password; logon denied Enter user-name: ERROR: ORA-01017: invalid username/password; logon denied

SP2-0157: unable to CONNECT to ORACLE after 3 attempts, exiting SQL*Plus

CREATE TABLE权限：

SQL> create table test (x int); create table test (x int) * ERROR at line 1: ORA-01031: insufficient privileges

SQL> grant create table to test_data; Grant succeeded.

增加用户在表空间的使用量限制：

SQL> create table test (x int); create table test (x int) * ERROR at line 1: ORA-01950: no privileges on tablespace 'TEST_DATA'

创建时错误：

SQL> create table test(x int); create table test(x int) * ERROR at line 1: ORA-01116: error in opening database file 7 ORA-01110: data file 7: '/opt/oracle/oradata/bisal/test_data_02.dbf' ORA-27041: unable to open file Linux Error: 2: No such file or directory Additional information: 3

SQL> create table test(x int); Table created.