On my test server I have got 2 ORACLE_HOMES 12cR1 (12.1.0.2) and 12cR2 (12.2.0.1) My listener.ora file on my server…
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Error: Message 1070 not found; No message file for product=network, facility=TNSTNS-12545: Message 12545 not found; Solution: This error has everything…
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor TNS-12541: TNS:no listener TNS-00511: No listener ERROR: ORA-12560:…