When do Distribution Statistics Get Updated?
Statistics objects are important to us for allowing SQL to make good estimates of the row-counts involved in different parts...
2017-07-05
766 reads
Matthew McGiffen DBA
Row-count Estimates when there are no Statistics
I was discussing Cardinality Estimation with a colleague recently and the question came up, what cardinality does SQL Server use...
2019-04-26 (first published: 2017-06-28)
2,870 reads
Statistics and Cardinality Estimation
Cardinality
This is a term originally from Mathematics, generally defined as “The number of objects in a given set or grouping”....
2019-04-26 (first published: 2017-06-20)
5,797 reads
What’s an “Index” and how do they work?
What is an Index?
We often hear indexes explained using the analogy of an index in the back of a book....
2017-06-12
1,574 reads
SQL Puzzle 1: Magic Squares
This is the first in what I hope will be a semi-regular series of recreational puzzles where SQL can be...
2017-06-07
1,553 reads
Working with Data in Always Encrypted
In this post we’re going to create some encrypted columns in a table in a test database and look at...
2017-06-06
10,372 reads
Statistics Parser
In the last post we looked at using the STATISTICS IO and STATISTICS TIME commands to measure query performance.
If you’ve...
2019-04-26 (first published: 2017-05-31)
2,240 reads
Understanding Keys and Certificates with Always Encrypted
Always Encrypted on SQL 2016 is pretty easy to set up. There’s even a single wizard to guide you through...
2019-04-26 (first published: 2017-05-30)
8,376 reads
Tuning Parallelism on SQL Server
Parallelism and MAXDOP
There’s no doubt that parallelism in SQL is a great thing. It enables large queries to share the...
2017-05-26
5,281 reads
Measuring SQL Query Performance
When running workshops on the subject of SQL Query Performance the first question I always ask is how do we measure...
2019-04-26 (first published: 2017-05-24)
35,734 reads
Blogs
SQL Server 2025 RegEx and AI
By Steve Jones
One of the language changes in SQL Server 2025 that I’ve seen a lot...
T-SQL Tuesday #192: SQL Server 2025 Backup Changes
By Steve Jones
I hosted this month, but I decided to put my own entry in as...
Why Databases Still Fascinate Me
By Chris Yates
I get asked a lot about why or how I began working with databases...
Forums
Getting the Object Code
Comments posted to this topic are about the item Getting the Object Code
T-SQL in SQL Server 2025: Concatenating Strings
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Being Mindful of Design Time
Comments posted to this topic are about the item Being Mindful of Design Time
Question of the Day
Getting the Object Code
What happens when I run this on SQL Server 2022 in the AdventureWorks2022 database?
SELECT OBJECT_DEFINITION (OBJECT_ID(N'dbo.uspGetBillofMaterials')) AS [Object Definition]; GOSee possible answers