Oracle 10g Command set命令集合

Oracle 10g Command set命令集合

1.查看用户属于那个表空间

SQL>conn sys/oracle as sysdba

SQL>select username,default_tablespace,temporary_tablespace from dba_users where username='SCOTT';

2.查看用户拥有的表：

SQL>conn scott/oracle

SQL>select owner,table_name from all_tables where owner='SCOTT';

3.查看数据文件的存放位置

SQL>conn sys/oracle as sysdba

SQL>select * from v$dbfile;

4.查看数据库的例程名、归档模式、创建时间

SQL>select name,log_mode,created from v$database;

5.查看表空间的大小

SQL>select file#,name,bytes from v$datafile;

6.更改列名的操作

SQL>alter table abc rename column b to c;

7.修改默认的表空间

SQL>alter database default tablespace user01;

8.删除重做日志文件

SQL>alter database drop logfile member 'e:/oralce/redo02.log';

SQL>alter database drop logfile group4;

9表空间的离线操作

SQL>alter tablespace tbs_8k offline;

SQL>alter tablespace tbs_8k online;

10.删除表空间

SQL>conn sys/oracle as sysdba

SQL>select * from v$dbfile;

SQL>drop tablespace user01 including contents and datafiles;

11.数据文件掉失，启动数据库是出现如下情况：

SQL>drop tablespace datafile 8 offline;

SQL>alter database open;

12.查看表空间的状态和名称

SQL>SELECT * FROM V$TABLESPACE;

13.查看用户视图操作

14.查看表的数据类型

15.查看主键名称

 

16.添加主键约束及删除主键

SQL>alter table dept drop constraint pk_dept;