navicat for oracle mounting step, reference may https://blog.csdn.net/weixin_42129270/article/details/82048610 , the following problems encountered during the installation and connection of the recording
Set correctly: connect to the database settings, set the finished click test connection;
During the connection process, two error encountered:
（1）ORA-12541:TNS: no listener
Solution: Check the "host name or IP address" is set incorrectly
（2）ORA-12514: TNS:listener does not currently know of service requested in connec
Solution: Check the "service name or SID" is set wrong;