The most common ORA error of our Oracle DBConvert software users - ‘Error 12154: ORA-12154: TNS:could not resolve the connect identifier specified’

We analyzed the errors and issues that users of our Oracle related products usually ran into when connecting to their databases from our software. The Oracle error, noted as “ora-12154”, may be the most commonly encountered error experienced by Oracle users. 

Fortunately, this problem has fairly simple solutions, which we have сonsidered in stages in this article.