How to solve the 12560 protocol adapter error in oracle
Solution: 1. Start the "OracleOraDb11g_home1TNSlistener" service in the service panel; 2. Start the OracleServiceBOOKSALES service; 3. Use regedit to set "ORACLE_SID" to the database SID.
The operating environment of this tutorial: Windows 10 system, Oracle 11g version, Dell G3 computer.
How oracle solves the 12560 protocol adapter error
There are three reasons for the problem of ORA-12560: TNS: protocol adapter error:
1. There is no monitoring service Get up.
The windows platform operates as follows: Start---Programs---Management Tools---Services, open the service panel,
Start the OracleOraDb11g_home1TNSlistener service.
2. The database instance did not start up.
The windows platform operates as follows: Start---Programs---Management Tools---Services, open the service
panel, start OracleServiceBOOKSALES, BOOKSALES is your database SID
3. Registry problem.
regedit, and then enter HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\HOME
Set the environment variable ORACLE_SID to XXXX, XXXX is your database SID.
Or right-click my computer, properties--advanced--environment variables---system variables--new, variable name=oracle_sid, variable value=XXXX, XXXX is your database SID.
Or before entering sqlplus, enter set oracle_sid=XXXX in the command line, XXXX is your database SID.
After the above steps, the problem can generally be solved .
Recommended tutorial: "Oracle Video Tutorial"
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