2022-04-27
412 reads
Data Compression
Estimating Data Compression Savings in SQL Server
This video demonstrates a set of queries for estimating data compression savings in SQL Server. It also covers how to make an informed decision on whether data compression makes sense for your data and workload or not.
2021-10-08
2021-09-10
517 reads
2021-09-03
500 reads
2020-11-24
515 reads
2019-03-25
205 reads
2017-11-13
953 reads
Data Compression and Snapshot Isolation
Data Compression and Snapshot Isolation don't play well together, you may not see a performance benefit
2014-10-02
3,701 reads
Demonstrating the Effects of Using Data Compression in SQL Server
How much space would compressing a particular index will save? How will this affect query performance? Derek Colley walks you through the effects of using data compression in SQL Server.
2014-03-25
4,651 reads
2013-01-30
2,211 reads
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Question of the Day
BIT_COUNT II
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers