Oracle 經常使用操做

01	C:\Documents and Settings\Administrator.EB5B29EE6E0C440>sqlplus /nolog

02

03	SQL*Plus: Release 10.1.0.2.0 - Production on 星期五 10月 1 17:02:10 2010

04

05	Copyright (c) 1982, 2004, Oracle.  All rights reserved.

06

07	SQL> conn / as sysdba

08	Connected.

09

10	SQL> create tablespace TABLESPACE_NAME datafile 'E:\oracle\product\10.1.0\oradata\orcl\TABLESPACE_DB.dbf' size 512M autoextend on next 50M maxsize 2028M extent management local;

11

12	Tablespace created.

13

14	SQL> create user USER_NAME identified by PASSWORD default tablespace TABLESPACE_NAME;

15

16	User created.

17

18	SQL> grant connect,resource,dba to USER_NAME;

19

20	Grant succeeded.

21

22

SQL> exit

23	Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production

24	With the Partitioning, OLAP and Data Mining options

25

26	C:\Documents and Settings\Administrator.EB5B29EE6E0C440>sqlplus /nolog

27

28	SQL*Plus: Release 10.1.0.2.0 - Production on 星期三 10月 6 22:18:32 2010

29

30	Copyright (c) 1982, 2004, Oracle.  All rights reserved.

31

32	SQL> conn ibsc0930/ibsc0930

33	Connected.

34

35	SQL> @E :\db_bak\my_test.sql;

36

37

SQL> exit

38	Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production

39	With the Partitioning, OLAP and Data Mining options

40

41	C:\Documents and Settings\Administrator.EB5B29EE6E0C440>imp USER_NAME/PASSWORD@SID file=E:\db_bak\XXX.dmp full=y

42

43

44

........

45

// 刪除表空間

46	SQL> drop tablespace TABLESPACE_NAME including contents and datafiles cascade onstraints;

47

48

// 刪除用戶

49	SQL> drop user USER_NAME cascade;

50

51

// 數據庫導出

52	exp USER_NAME_N/PASSWORD_N@SID file=d:XXX.dmp owner=(USER_NAME_O,PASSWORD_O)

53

54

// 修改密碼

55	SQL> ALTER USER user_name IDENTIFIED BY password;

56

57

// 修改數據

58	UPDATE table_name

59	SET column_name = expression

60	WHERE conditions

61

62

// 修改表名

63	ALTER TABLE src RENAME  TO dest;

64

65

// 修改列名

66	ALTER TABLE tablename RENAME COLUMN src TO dest;

67

68	// 修改列的數據類型

69	ALTER TABLE tablename MODIFY col VARCHAR2(255);

70

71

// 增長列

72	ALTER TABLE tablename ADD 列名 數據類型

73

74

// 刪除列

75	ALTER TABLE tablename DROP COLUMN 列名

76

77

// 查詢表空間

78	select * from sys.dba_tablespaces;

79

80

// 查詢用戶

81	select * from dba_users;