Rowcount estimates when there are no Statistics
When you don't have statistics, what does SQL use to calculate the estimated number of rows?
2021-02-04 (first published: 2021-01-26)
281 reads
Matthew McGiffen DBA
When do Statistics get updated?
Statistics objects are important for allowing the SQL Server Optimizer to make good estimates and form efficient execution plans. Related to that it's useful for us to understand when...
2021-01-25 (first published: 2021-01-18)
480 reads
How does Query Store capture cross database queries?
Query Store is a configuration that is enabled per database, and the plans and stats for queries executed in that database are stored in the database itself. So what...
2021-01-18 (first published: 2021-01-11)
453 reads
Identify the (Top 20) most expensive queries across your SQL Server using Query Store
Script to identify the most expensive queries on your database server using the Query Store DMVs. This allows you to look at data from a specific time frame, as...
2021-01-11 (first published: 2021-01-04)
578 reads
SQL Puzzle – Eight Queens on a Chess board
Here's a SQL Puzzle for the festive period. 2020 has been a year of many things but amongst it all, it has been the year of chess. The combined...
2020-12-24 (first published: 2020-12-15)
469 reads
Introduction to SQL Server Query Store
Introduced with SQL 2016, Query Store was, probably without doubt, the most anticipated and talked out new feature. In this post we'll just take a brief look at it,...
2020-12-21 (first published: 2020-12-14)
888 reads
TDE in Standard Edition on SQL 2019
Recently Microsoft quietly let us know that TDE (Transparent Data Encryption) will be available in the Standard Edition of SQL Server 2019. If you don’t follow SQL topics on...
2019-11-12 (first published: 2019-11-05)
6,398 reads
Why Does Everyone Have More Friends Than You?
No, the answer isn’t because you’re a DBA. This isn’t a technical post about databases, but rather a discussion of a statistical paradox that I read about recently. Statistics...
2019-10-01
30 reads
Instantaneous Transaction Rollback with SQL 2019
If you’ve read about the Accelerated Database Recovery feature in SQL Server 2019 you could be forgiven for thinking it’s just about speeding up database recovery time in case...
2019-10-09 (first published: 2019-09-25)
890 reads
Check Query Progress with Live Query Stats
This is something I touched on back in 2017 a little after the Live Query Statistics feature was introduced with SQL 2016, but I was using the functionality this...
2019-09-26 (first published: 2019-09-18)
1,291 reads
Blogs
VMware & SQL Server 823-824 alerts
By kleegeek
We’ve been tracking a weird state with SQL Server virtual machines on VMware and...
Daily Coping 18 May 2022
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
Storage Field Day 23 – SIOS
By kleegeek
I am thrilled to have been a part of this year’s Storage Field Day...
Forums
Search not working???
Hi, We have a user that is not an administrator that says when they...
sql server enterprise edition or standard
Hello, I was looking over the Edition specifications, and Standard is capped at 128...
Quick Question on 2019 to older version?
A client of ours is upgrading their database to SQL Server 2019. The edition...
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