Simple SQL: Attribute Splitting
If the design of a relational database is wrong, no amount of clever DML SQL will make it work well. Dr. Codd’s Information Principle is that you have, inside the entity tables, the columns that model the attributes of that entity. The columns contain scalar values. Tables that model relationships can have attributes, but they must have references to entities in the schema. You split those attributes at your peril. Joe Celko explains the basics.
Azure DWH part 11: Data Warehouse Migration Utility
There is a new utility to import data from SQL Server on premises or Azure SQL to Azure SQL Data Warehouse (ASDW)
Short Names
Today Steve Jones talks about the short cuts that developers might take, many of which aren't necessarily helpful.
Are your automated tests slowing you down?
Slow, unreliable tests prevent teams doing great work, and make continuous delivery impossible. So what can you do to improve your automated tests?
Getting Started with Azure SQL Data Warehouse - Part 6
Azure SQL Data Warehouse is Microsoft’s new enterprise-class, elastic petabyte-scale, data warehouse service that can scale according to organizational demands in just few minutes. In this installment, Arshad Ali covers the different ways to load data into SQL Data Warehouse.
Cool Projects
This week Steve Jones wants to know what type of really interesting projects you are working on. Is there something you really enjoy and look forward to building?
What do you do when you make a mistake?
We all make mistakes, what you do next is what is important.
Performance Myths: Oversizing string columns
Aaron Bertrand shows a quick demo that illustrates why you should be very careful about oversizing varchar / nvarchar columns.
Blogs
The Book of Redgate: SQL Server Central
By Steve Jones
It was neat to stumble on this in the book, a piece by me,...
Git forked
Forgive me for the title. Mentally I’m 12. When I started my current day...
Setting FK Constraints in Data Modeler
By Steve Jones
One of the things a customer asked recently about Redgate Data Modeler was how...
Forums
Expanding into Print
Comments posted to this topic are about the item Expanding into Print
Downtime Caused by the Postgres Transaction ID Wraparound Problem
Comments posted to this topic are about the item Downtime Caused by the Postgres...
The String Distance I
Comments posted to this topic are about the item The String Distance I
Question of the Day
The String Distance I
In SQL Server 2025, what is returned by this code:
SELECT EDIT_DISTANCE('Steve', 'Stan')
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