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数据库版本：Oracle 11.2.0.1.0

数据库服务器操作系统：Windows server 2008

问题现象：业务人员在前台执行某些查询操作时，报错ORA-00600: 内部错误代码, 参数: [19004]；

解决方案：查看alert警告日志，查找对应的trace文件，找到触发此bug的sql语句如下：

—– Current SQL Statement for this session (sql_id=…….) —–

SELECT *

  FROM TAB_1

 WHERE COL_1 in (select id from TAB_2)

   and COL_2 in (:1, :2)

   and COL_3 in

       (‘null’, ‘null’, ‘null’, ‘null’, ‘null’, ‘null’, ‘null’)

 order by COL_4,COL_5;

根据MOS查看，此错误匹配多个BUG，都是由于表错误的统计信息和列的统计直方图触发此BUG，可以删除SQL中对应表的统计信息和统计直方图临时解决此问题，或者直接升级数据库跳过此BUG；

删除统计信息方法如下：

散打狼执行了这面这条语句后就可以了

—ANALYZE TABLE TAB_1 DELETE STATISTICS;

—ANALYZE TABLE TAB_2 DELETE STATISTICS;

SQL> execute dbms_stats.delete_table_stats(ownname=>’USER_NAME’,tabname=>’TAB_1′);

SQL> execute dbms_stats.delete_table_stats(ownname=>’USER_NAME’,tabname=>’TAB_2′);

SQL> execute dbms_stats.lock_table_stats(ownname=>’USER_NAME’,tabname=>’TAB_1′);

SQL> execute dbms_stats.lock_table_stats(ownname=>’USER_NAME’,tabname=>’TAB_2′);

—SQL> execute dbms_stats.unlock_table_stats(ownname=>’USER_NAME’,tabname=>’TAB_1′);

—SQL> execute dbms_stats.unlock_table_stats(ownname=>’USER_NAME’,tabname=>’TAB_2′);

删除表统计信息可能会生成错误的执行计划，影响SQL执行效率；

可以适当调大动态取样级别；

SQL> show parameter optimizer_dynamic_sampling

NAME                                 TYPE        VALUE

———————————— ———– ——————————

optimizer_dynamic_sampling           integer     4

其中MOS中查询有关ORA-00600[19004]问题相关信息；

ORA-600/ORA-7445/ORA-700 Error Look-up Tool (文档 ID 153788.1)

ORA-600 [19004] (文档 ID 138652.1)

Note: For additional ORA-600 related information please read Note:146580.1

PURPOSE:

This article represents a partially published OERI note.

It has been published because the ORA-600 error has been

reported in at least one confirmed bug.

Therefore, the SUGGESTIONS section of this article may help

in terms of identifying the cause of the error.

This specific ORA-600 error may be considered for full publication

at a later date. If/when fully published, additional information

will be available here on the nature of this error.

SUGGESTIONS:

If the Known Issues section below does not help in terms of identifying

a solution, please submit the trace files and alert.log to Oracle

Support Services for further analysis.

Known Issues:

You can restrict the list below to issues likely to affect one of the following versions by clicking the relevant button:
The list below is restricted to show only bugs believed to affect version 11.2.0.1.
Other bugs may affect this version but have not been confirmed as being relevant yet.

There are 6 bugs listed.

• ‘*’ indicates that an alert exists for that issue.
• ‘+’ indicates a particularly notable issue / bug.

·         See Note:1944526.1 for details of other symbols used

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