ORacle安装
ORacle安装参考博客:https://blog.csdn.net/lidapang123/article/details/88928035
Oracle安装包下载地址:https://www.oracle.com/database/technologies/oracle-database-software-downloads.html
下载:19.3 - Enterprise Edition (also includes Standard Edition 2) 的Microsoft Windows x64 (64-bit) 的ZIP包
账号/密码:18911222403@163.com/1qaz@WSX
Oracle连接工具下载:http://dn.navicat.com/download/navicat121_premium_en_x64.exe
Oracle默认用户名和密码有:
用户名: internal 密码:oracle 用户名:system 密码:manager 用户名:sys 密码:change_on_install
navicat软件连接Oracle报错:ora-01017:用户名/口令无效,登录被拒绝
(可参考:https://blog.csdn.net/wanglijia26/article/details/90690816)
1.打开CMD命令窗,输入sqlplus / as sysdba
1)修改密码
SQL>alter user system identified by manage
2)用户被锁定,解锁
ALTER USER system ACCOUNT UNLOCK;