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  • oradebug推进scn

    有时候我们遇到例如以下错误:
    ORA-01092: ORACLE instance terminated. Disconnection forced
    ORA-00600: internal error code, arguments: [2662], [0], [5685940], [0], [5685970], [4194432], [], [], [], [], [], []
    Process ID: 3157
    Session ID: 1 Serial number: 3

    我们能够通过bbed改动相应的数据文件头来解决,也能够通过推进scn来解决:
    alter session set events 'IMMEDIATE trace name ADJUST_SCN level 1';

    也能够使用oradebug来推进:

    SYS@orcl11g>oradebug setmypid
    Statement processed.
    SYS@orcl11g>
    SYS@orcl11g>
    SYS@orcl11g>oradebug dumpvar sga kcsgscn_
    kcslf kcsgscn_ [060017F58, 060017F88) = 005711D8 00000000 00000000 00000000 000000B5 00000000 00000000 00000000 00000000 00000000 60017C38 00000000
    SYS@orcl11g>oradebug poke 0x060017F58 4 0x40000000
    BEFORE: [060017F58, 060017F5C) = 005711DD
    AFTER:  [060017F58, 060017F5C) = 40000000
    SYS@orcl11g>oradebug dumpvar sga kcsgscn_
    kcslf kcsgscn_ [060017F58, 060017F88) = 40000002 00000000 00000000 00000000 000000BC 00000000 00000000 00000000 00000000 00000000 60017C38 00000000
    SYS@orcl11g>
    SYS@orcl11g>
    SYS@orcl11g>select dbms_flashback.get_system_change_number a from dual;
             A
    ----------
    1073741827



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  • 原文地址:https://www.cnblogs.com/blfshiye/p/5090030.html
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