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places to visit in the world (30)
Oracle DBA

ORA-04031: unable to allocate nn bytes of shared memory

  • 08 Nov, 2021
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places to visit in the world (31)
Oracle DBA

ORA-02391 Exceeded simultaneous session_per_user limit

  • 08 Nov, 2021
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places to visit in the world (8)
Oracle DBA

ORA-00257: archiver error. Connect internal only, until freed.

  • 05 Nov, 2021
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places to visit in the world (10)
Oracle DBA

ORA-12502 TNS-12502 TNS:listener received no CONNECT_DATA from client

  • 05 Nov, 2021
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places to visit in the world (11)
Oracle DBA

ORA-00904 ERROR MESSAGE “INVALID IDENTIFIER”

  • 05 Nov, 2021
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places to visit in the world (12)
Oracle DBA

ORA-01555 ERROR MESSAGE “SNAPSHOT TOO OLD”

  • 05 Nov, 2021
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