The Gambler
If you are the type of person that doesn't run DBCC checks, Steve Jones thinks you're a gambler. And you might think about attending SQL Intersection next month in Vegas.
An Incremental Database Development and Deployment Framework
Often, an existing database application must evolve rapidly by incremental steps. Alex describes a tried and tested system to provide an automated approach to deploying both new and existing database systems, whilst dealing with common security and configuration issues.
An Orders of Magnitude Problem (T-SQL Tuning)
When a query suddenly starts taking much longer, what do you do? This story from Jerry
Resetting DMVs
Steve Jones asks the question why so much data in SQL Server is cleared when we restart an instance.
Getting Started with Extended Events in SQL Server 2012
Extended Events provide a way of unintrusively monitoring what's going on in a SQL Server instance. Unlike SQL Server Profiler and SQL Trace, it has little performance impact. Now, in SQL Server 2012 SSMS, it is relatively easy to use, as Robert Sheldon shows.
Help Guide the Future of SQL Compare
How changes are applied to databases differs from person to person and from organization to organization. Here at Red Gate we’re writing the next chapter for SQL Compare and we need your feedback to validate some of our ideas. To help us in this endeavour, and to enter a prize draw for one of five $50 Amazon vouchers, please complete the following survey.
Data Mining Introduction Part 3: The Cluster Algorithm
This is the part 3 of the Data Mining Series from Daniel Calbimonte. This article examines the cluster algorithm.
Data Mining Introduction Part 3: The Cluster Algorithm
This is the part 3 of the Data Mining Series from Daniel Calbimonte. This article examines the cluster algorithm.
Self Describing Databases
Today Steve Jones gives his vision of the database in the future. He hopes that databases contain more information about not only their objects, but their needs, like backups and maintenance.
SQL Saturday #188 - Lisbon
Join us for SQL Saturday #188, a free SQL Server training event in Lisbon, Portugal. This event also has pre-conference paid workshops.
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Alamat Kontak Resmi BCA KCP Kertajaya ??/Wa 08218154393
WA:08218154393 Jl. Kertajaya No.35, Airlangga, Kec. Gubeng, Surabaya, Jawa Timur 60281
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers