Oracle® Database 8i | 9i | 10g | 11g | 12c | 18c | 19c Error Codes
Information for Database Error Code ORA-06957: No SID is currently available
ORA-06957: No SID is currently available
Cause: Incoming SQL*Net connection specified invalid SID name.
Action: Specify correct SID in connect string and retry.
Error Type: ORA
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