PAGE_VERIFY CHECKSUM for system databases

Posted on 2014-09-17
Last Modified: 2014-09-19
as PAGE_VERIFY CHECKSUM is right for user databases, do you ideally want to see all databases on the server including checksum page verification?

this is the best page verification? is there overhead costs for turning this on for each database?
Question by:25112
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LVL 69

Accepted Solution

Scott Pletcher earned 500 total points
ID: 40329011
CHECKSUM is definitely best.  There's some very slight overhead, but you need it anyway.

Author Comment

ID: 40330186
even tempdb?

also can you summarize in 1-2 sentences- what is the actual benefit when put PAGE_VERIFY CHECKSUM, and what do we potentially lose when we don't?
LVL 69

Expert Comment

by:Scott Pletcher
ID: 40330551
See Books Online, topic "ALTER DATABASE SET", do a find for "CHECKSUM".

Author Comment

ID: 40330757
ok- thanks. so, to summarize, the benefit of 'CHECKSUM' for page verification, is that you will get a SQL error message right away. so you find the error sooner, right?
LVL 69

Expert Comment

by:Scott Pletcher
ID: 40330775
Yes, and it's a more thorough and accurate check.

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