自己的oracle笔记,以后学到的新知识就在这个帖子跟新。
drop user ewedu cascade;--删除和ewedu相关联的所有数据
创建临时表空间
CREATE TEMPORARY TABLESPACE EWEDU_TEMPTEMPFILE 'E:\\bw\\EWEDU_TEMP.dbf' SIZE 32MAUTOEXTEND ON NEXT 32M MAXSIZE 2048MEXTENT MANAGEMENT LOCAL; 创建用户表空间创建用户表空间
CREATE TABLESPACE EWEDU_DATALOGGINGDATAFILE ' E:\\bw\\EWEDU_DATA.DBF ' SIZE 32M AUTOEXTEND ON NEXT 32M MAXSIZE 2048MEXTENT MANAGEMENT LOCAL; 创建用户并制定表空间imp system/hack520 file=E:\\八维\\bawei.dmp fromuser=ewedu touser=ewedu
先必须查询表空间,数据库所在表空间select tablespace_name from user_tablespaces;知道表空间名,显示该表空间包括的所有表。select * from all_tables where tablespace_name='表空间名'知道表名,查看该表属于那个表空间select tablespace_name,table_name from user_tables where table_name='emp'select * from user_tables where table_name='BW_XY_CLASSCOMMITTEE'
-- 连接本地实例--conn /@orcl as sysdba;conn sys/hack520 as sysdba;-- 删除用户 "oauser"drop user oauser cascade;-- 删除表空间 "oauser"
drop TEMPORARY TABLESPACE bwie_temp;drop tablespace beie_TEMP;commit;--drop table SYS_CONDES CREATE USER EWEDU IDENTIFIED BY EWEDU_DATADEFAULT TABLESPACE EWEDU_DATATEMPORARY TABLESPACE EWEDU_TEMP; 给用户授予权限GRANT
CREATE SESSION, CREATE ANY TABLE , CREATE ANY VIEW , CREATE ANY INDEX , CREATE ANY PROCEDURE , ALTER ANY TABLE , ALTER ANY PROCEDURE , DROP ANY TABLE , DROP ANY VIEW , DROP ANY INDEX , DROP ANY PROCEDURE , SELECT ANY TABLE , INSERT ANY TABLE , UPDATE ANY TABLE , DELETE ANY TABLE TO username; 将role这个角色授与username,也就是说,使username这个用户可以管理和使用 role所拥有的资源grant dba to username;赋值所有权限给用户usernameGRANT role TO username; -----------------------------------------------查看用户权限select * from role_sys_privs where role='RESOURCE';
查看所有用户
SELECT * FROM DBA_USERS;
SELECT * FROM ALL_USERS;SELECT * FROM USER_USERS; 查看用户系统权限SELECT * FROM DBA_SYS_PRIVS;
SELECT * FROM USER_SYS_PRIVS; 查看用户对象或角色权限SELECT * FROM DBA_TAB_PRIVS;
SELECT * FROM ALL_TAB_PRIVS;SELECT * FROM USER_TAB_PRIVS; 查看所有角色SELECT * FROM DBA_ROLES; 查看用户或角色所拥有的角色
SELECT * FROM DBA_ROLE_PRIVS;
SELECT * FROM USER_ROLE_PRIVS;
-- 连接本地实例
conn sys/hack520 as sysdba;-- 创建表空间 “DATA”
CREATE TABLESPACE NEWER_DATA DATAFILE 'G:\\NEWER_DATA.DBF' SIZE 100M reuse AUTOEXTEND ON NEXT 5M MAXSIZE UNLIMITED;-- 创建表空间 “TEMP”CREATE TEMPORARY TABLESPACE NEWER_TEMP TEMPFILE 'G:\\NEWER_TEMP.DBF' SIZE 100M reuse AUTOEXTEND ON NEXT 5M MAXSIZE UNLIMITED;-- 创建用户 “TEMP"CREATE USER NEWER PROFILE DEFAULT IDENTIFIED BY NEWER DEFAULT TABLESPACE NEWER_DATA TEMPORARY TABLESPACE NEWER_TEMP ACCOUNT UNLOCK;-- 对用户 "newer" 授权
GRANT DBA TO NEWER;commit;exit;