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Oracle DBA
ORA-02391 Exceeded simultaneous session_per_user limit
08 Nov, 2021
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Oracle DBA
ORA-00257: archiver error. Connect internal only, until freed.
05 Nov, 2021
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Oracle DBA
ORA-12502 TNS-12502 TNS:listener received no CONNECT_DATA from client
05 Nov, 2021
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Oracle DBA
ORA-00904 ERROR MESSAGE “INVALID IDENTIFIER”
05 Nov, 2021
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Oracle DBA
ORA-01555 ERROR MESSAGE “SNAPSHOT TOO OLD”
05 Nov, 2021
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Oracle DBA
ORA-03113: end-of-file on communication channel while startup
05 Nov, 2021
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