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
780 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...
2017-07-12 (first published: 2017-06-28)
2,880 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”....
2017-06-30 (first published: 2017-06-20)
5,839 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
1,596 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
1,621 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
10,979 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...
2017-06-14 (first published: 2017-05-31)
2,507 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...
2017-06-09 (first published: 2017-05-30)
8,617 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
5,316 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...
2017-06-08 (first published: 2017-05-24)
37,519 reads
Blogs
Accept the no and move on
By Brian Kelley
Here is a short emotional intelligence (EI) post for today, courtesy of Seth Godin....
Don’t Fight with AI
By Steve Jones
I was recently trying to handle a simple task with a few AI tools...
Narrow Task Decomposition in AI Pipeline Agents
A nightly load into sales_fact fails. Ask an orchestrating agent to break down the...
Forums
jdbc auth failing to sql from sap's cloud middleware CPI
hi , our business partner is asking s4 sap api's for receivable info and...
Searching for my own posts
I have a really stupid question... Is there an easy way to search for...
How to Work with On-Premises AI Models to Generate T-SQL Code
Comments posted to this topic are about the item How to Work with On-Premises...
Question of the Day
Escaping Strings
The STRING_ESCAPE() function requires 2 parameters in SQL Server 2025. The first is a string of text and the second is the type of escape rules being used. What are the options for the second parameter?
See possible answers