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Archive for 10月, 2014

The cause of system hung is cursor: pin X ?

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Posted in troubleshooting on 10月 31, 2014 | There are currently No Comments

ORA-30025: DROP segment ‘_SYSSMU559$’ (in undo tablespace) not allowed

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Posted in oracle internal on 10月 27, 2014 | There are currently No Comments

怪异的SQL执行计划

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Posted in tunning on 10月 20, 2014 | There are currently 7 Comments

About enq: TX – row lock contention deadlock?

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Posted in mangement on 10月 20, 2014 | There are currently No Comments

2014年第4季度Oracle PSU更新

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Posted in mangement on 10月 19, 2014 | There are currently No Comments

how to modify scn with oradebug(windows)?

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Posted in backup & rcovery on 10月 14, 2014 | There are currently No Comments

How to drop a Index with bbed?

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Posted in oracle internal on 10月 13, 2014 | There are currently No Comments

I/O slave wait 导致CPU 100%

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Posted in troubleshooting on 10月 10, 2014 | There are currently No Comments

The database instance Crash because the CPU High ?

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Posted in rac & dg on 10月 10, 2014 | There are currently 1 Comment