Doubt in mvcc - Mailing list pgsql-general

From Rama Krishnan
Subject Doubt in mvcc
Date
Msg-id CAJWX+EP+gabLLBDExnXhi=JNre=xPRo5REAku7FXR6VZFKBBKg@mail.gmail.com
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Re: Doubt in mvcc
Re: Doubt in mvcc
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Hi sir, 

I m preparing for interview one of the recruiter asked me mvcc drawbacks as i told due to mvcc it use more space and need to perform maintenance activity.

Another one is the same data causes an update conflict because two different transactions can update the same version of the row.
 he told its wrong, kindly tell me will you please tell me its correct or wrong?


Thanks
RK

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