windows下安装oracle19c https://www.cnblogs.com/zdyang/p/12580263.html#content4
1.使用sqlplus连接oracle
1.1备份数据库
exp u_mom_smt_dev/MaoBao2021 file=D:\MyData\SMT_DB.dmp owner=u_mom_smt_dev
2.查看服务名:
3.配置监听和服务名
4.ORA-12514 TNS 监听程序当前无法识别连接描述符中请求服务的解决方法(参考链接https://www.cnblogs.com/kerrycode/archive/2012/04/03/2430865.html)
···
(SID_DESC =
(GLOBAL_DBNAME = orcl)
(SID_NAME = ORCL)
(ORACLE_HOME = D:\Oracle19c\WINDOWS.X64_193000_db_home)
)
···