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
757 reads
Matthew McGiffen
- Twitter: @MattMcGiffen
- Website: https://matthewmcgiffen.com/
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
1,567 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
1,503 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
9,083 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
5,208 reads
SQL Server 2016 SP1 – A significant change to licencing
A lot has been written about the change of licencing in SQL 2016 SP1. Here's my two-pence worth.
2017-05-17
6 reads
Splitting Strings on SQL Server 2016
A small change, but a great one, in SQL 2016 is native support for splitting strings.
This has to be about...
2017-05-09
769 reads
Tuning Parallelism on SQL Server
Thoughts on how to think about parallelism in SQL Server - and how to tune it.
2017-04-18
7 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 some of the practicalities and limitations of working with...
2017-04-10
2 reads
Understanding Keys and Certificates with Always Encrypted
This post attempts to explain in simple terms what keys are involved in Always Encrypted, how they get used, and the implications of those facts.
2017-04-03
3 reads
Blogs
How to find free space in Azure PosgreSQL
I wanted to figure out how big (or approximately how big) my dump file...
T-SQL Tuesday #180: Good enough is perfect Roundup
This month, I prompted bloggers to discuss whether good enough is perfect. Thank you to all...
Using SQL Compare with Read-only Access
By Steve Jones
Recently a customer asked if SQL Compare and SQL Data Compare can be used...
Forums
Compare rows within the same table
I have a table. Structure in script below. I have to compare and see...
Microsoft Recommendations for Update Stats?
I have an application team that is insisting on daily (and for some, weekly)...
how can i tell if our db2 driver is ms or ibm or other?
i see this in the definition of a linked server on our wh sql...
Question of the Day
A Strange Result
What does this code return in SSMS 20 from SQL Server 2019?
select '|' + CHAR(0)+'abc' + '|';See possible answers