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)
5,056 reads
Matthew McGiffen DBA
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
1,536 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
1,397 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
6,838 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)
1,858 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)
6,189 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
4,637 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)
23,019 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
1 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
765 reads
Blogs
Cloud Formations – A New MVP Led Training Initiative
By Kamil
Hello, data friends! Let me spread a few words about the new MVP led...
Daily Coping 20 May 2020
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
Daily Coping 19 May 2022
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
Forums
Columnstore Index Limits in SQL Server 2019
Comments posted to this topic are about the item Columnstore Index Limits in SQL...
How to use Images in Power BI Report Builder
Comments posted to this topic are about the item How to use Images in...
How to handle sticks on column country1 and country2 columns ?
I work on sql server 2017 i have table data as below i need...
Ask SSC