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
773 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
1,591 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
1,590 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
10,769 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
5,304 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
15 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
781 reads
Tuning Parallelism on SQL Server
Thoughts on how to think about parallelism in SQL Server - and how to tune it.
2017-04-18
14 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
9 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
9 reads
Blogs
AI and Data Engineering on the Edge: The Good, the Bad, and the Overhyped
Running AI and data pipelines on the edge instead of the cloud has gone...
UNION vs UNIONALL: #SQLNewBlogger
By Steve Jones
While writing another post I realized my UNION query didn’t work as one might...
T-SQL Tuesday #199 Invitation: Back to on-prem?
It’s time for T-SQL Tuesday again! And we’re almost to number 200! T-SQL Tuesday...
Forums
Secure Cached Plans
Comments posted to this topic are about the item Secure Cached Plans
Complex Data Processing with dbt Python Models: The Fabric Modern Data Platform
Comments posted to this topic are about the item Complex Data Processing with dbt...
Over or Under Provisioned
Comments posted to this topic are about the item Over or Under Provisioned
Question of the Day
Secure Cached Plans
The DMV, sys.dm_exec_cached_plans, contains rows for each cached plan on an instance. In Azure SQL Database, not every used has rights to every database, as there does exist an instance behind each database. How is security handled for this DMV in Azure?
See possible answers