======= tnsnames.ora: # tnsnames.ora Network Configuration File: H:\app\Administrator\product\11.2.0\dbhome_1\network\admin\tnsnames.ora # Generated by Oracle configuration tools. #***** ORCL1 = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 60.*****)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.sunny.com) ) ) #***** ORCL2 = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.*****)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) #***** ORCL3= (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.*****)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.sunny) ) ) ======== listener.ora: # listener.ora Network Configuration File: H:\app\Administrator\product\11.2.0\dbhome_1\network\admin\listener.ora # Generated by Oracle configuration tools. SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = CLRExtProc) (ORACLE_HOME = H:\app\Administrator\product\11.2.0\dbhome_1) (PROGRAM = extproc) (ENVS = "EXTPROC_DLLS=ONLY:H:\app\Administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll") ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 60.*****)(PORT = 1521)) (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.*****)(PORT = 1521)) (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.*****)(PORT = 1521)) (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) ) ) ADR_BASE_LISTENER = H:\app\Administrator =================================================== //2015-03-27熟悉oracle数据库的基本知识,熟悉plsql操作: //查询当前数据库名: select name from v$database; //结果:ORCL //查询当前数据库实例名:(SID) //实例名指的是用于响应某个数据库操作的数据库管理系统的名称。它同时也叫SID。 //数据库实例名(instance_name)用于对外部连接。在操作系统中要取得与数据库的联系,必须使用数据库实例名。 //比如我们作开发,要连接数据库,就得连接数据库实例名: //jdbc:oracle:thin:@localhost:1521:orcl(orcl就为数据库实例名) //一个数据库可以有多个实例,在作数据库服务集群的时候可以用到。 select instance_name from v$instance; //结果:orcl,数据库实例名用于对外部连接,要连接数据库,就得连接数据库实例名。 =========================================================================================================== //scott用户访问表emp; select * from emp; //dept表 select * from dept; //salgrade表 select * from salgrade; =========================================================================================================== //创建完数据库后,并不能立即在数据库中建表,必须先创建该数据库的用户,并且为该用户指定表空间。 //安徽工情 //1.创建表空间"ahdemo" select instance_name from v$instance; create tablespace ahdemo datafile 'H:\app\Administrator\oradata\orcl\ahdemo.dbf' size 500m autoextend on next 100m maxsize 2048m; //表空间最大2g //查看已经创建好的表空间 select default_tablespace,temporary_tablespace,d.username from dba_users d where d.username like '%ah%' group by d.default_tablespace, d.temporary_tablespace, d.username. //查看所有表空间大小 select tablespace_name,sum(bytes)/1024/1024 from dba_data_files group by tablespace_name; //2.创建用户"ahuser",并为之分配创建的表空间和临时表空间,并为之授权 create user ahuser identified by "Sunny_123456]" default tablespace ahdemo temporary tablespace temp; //有了用户,要想使用用户账号管理自己的表空间,还得给它分权限:(ahuser已被授予了connect/resource/dba三种权限) grant connect to ahuser; grant resource to ahuser; grant dba to ahuser; //查看数据库用户 select * from dba_users order by created desc; //===================================================================================== //操作表 //==========================tb_users=== select * from tb_users; //==========================tb_dept=== select * from tb_dept;
oracle数据库软件和实例安装好以后的配置
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