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Re: Beginner Question:Why it always make sure that the postgres better than common csv file storage in disaster recovery?

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On 7/3/22 20:06, Wen Yi wrote:
I am a student who are interesting in database kernel.When I am reviewing my database course,a question make me confused.

In file system,if a error happen when I insert some data into data saving system,the whole data exists will be broken and can't recovery anymore.

But when I check the code in postgres,I found the postgres also use the write function(That! is a UNIX file system api)

My question is:

Since it's all built on top of the file system,why it always make sure that the postgres better than common csv file storage in disaster recovery?

https://www.postgresql.org/docs/current/wal.html


Thanks in advance!


--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx





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