oracle database - Difference between using a TNS name and a service ...
Apr 5, 2013 · There are multiple ways to connect to the database: SID, TNS name, Service name. I would like to understand what is the difference between each of these connections and what would …
Use tnsnames.ora in Oracle SQL Developer - Stack Overflow
I am evaluating Oracle SQL Developer. My tnsnames.ora is populated, and a tnsping to a connection defined in tnsnames.ora works fine. Still, SQL Developer does not display any connections. Oracle...
Oracle ORA-12154: TNS: Could not resolve service name Error?
ORA-12154: TNS:could not resolve the connect identifier specified Cause: A connection to a database or other service was requested using a connect identifier, and the connect identifier specified could …
PL/SQL Developer cannot find my tnsnames.ora file
Mar 21, 2023 · 0 I recently had the problem of deleting the tnsnames.ora from the path where I had it, my solution was to create an environment variable called TNS_NAME with the value the path where …
windows - Oracle Database 19c をインストール後、sqlplusでログイン …
Aug 11, 2021 · Oracle Database 19cをWindows環境にインストールし、コマンドプロンプトを起動してSQL*Plusで「SYS」や「SYSTEM」アカウントからログインを試みた際に、以下のエラーが出 …
oracle database - ORA-12514 TNS:listener does not currently know of ...
May 28, 2012 · We have an application running locally where we're experiencing the following error: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor I've …
database - Oracle TNS names not showing when adding new …
I could run TNS_PING in the command window but SQL Developer couldn't figure out where tnsnames.ora was. The issue in my case (Windows 7 - 64 bit - Enterprise ) was that the Oracle …
ORA-12154: TNS:could not resolve the connect identifier specified ...
Oct 11, 2012 · ORA-12154: TNS:could not resolve the connect identifier specified. I am able to use SQLPLUS from the command line to connect to the database, and tnsping returns successfully, but I …
oracle database - Where is TNSNAMES.ORA? - Stack Overflow
Nov 25, 2015 · SQL State=S1000 [Oracle][ODBC][Ora] ORA-12170: TNS: Connect timeout occurred I presume, though I am no DBA, that this has something to do with my TNS Service Name not being …
sql - ORA-12560: TNS:protocol adaptor error - Stack Overflow
-2 In my case, (ORA-12560: TNS protocol adapter error)Issue cause of database connection issue like database, user name and password. Once you got the issue. Initially you have to check connection …