Manually updating Statistics
Having up to date statistics is vital for getting the best performance out of your queries. Even though SQL Server automatically updates statistics in the background for you, you...
2021-02-16
218 reads
Having up to date statistics is vital for getting the best performance out of your queries. Even though SQL Server automatically updates statistics in the background for you, you...
2021-02-16
218 reads
I’ve mentioned previously how not having up to date statistics can cause problems in query performance. This post looks at something called the Ascending Key Problem which can badly...
2021-02-09
175 reads
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)
288 reads
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)
487 reads
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)
463 reads
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)
665 reads
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)
523 reads
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)
908 reads
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)
7,016 reads
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)
925 reads
By Chris Yates
A brief introduction to the tool and its advantages for database migrations DevOps is...
In a previous blog post we went through how to build a Docker container...
Businesses are drowning in data, but starving for insights. That's where SQL experts swoop...
select Custno, Addr1, City, Res_Phone, Bus_Phone, Fax_Phone, Marine_Phone, Pager_Phone, Other_Phone, email1, email2 from customer...
I'm only processing 50,000 records not everything from the Table where there are 250,00...
Comments posted to this topic are about the item The Marked Transaction
I want to mark a transaction in the log as a recovery point. How do I do this in my code if I use the transaction, myTran?
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