Posts by
Redgate Data Modeler
What part does database design play in running a restaurant? What might the data model for a restaurant database look like? Find out in this article. Read more
Today’s most popular services may well be the ones where people sell their time. Many of these services are largely based on human contact: psychologists, tutors, dentists, hairdressers, etc. In these professions, the saying that“Time is money” is literally true. Therefore, these professionals need to be organized. Read more
There are a number of ways to contact someone these days, right?
We have various phones: mobile and landline, personal and work. We have different addresses – residential, mailing, billing, business, etc. – and likely several email addresses, too. Don’t forget Skype and various messaging apps. Now add in LinkedIn and Facebook –which by the... Read more
When designing your dimensional model, it is worthwhile to watch out for mistakes that commonly occur during the process. Specifically, they can occur in the relationships between tables, both in fact-to-dimension and dimension-to-dimension relationships. In this post, we’re going to take a closer look at five common modeling mistakes and what you can do... Read more
On hearing what I do, people tend to ask me the same question: Can you develop a system that predicts football match results? Or Olympic medal outcomes? Personally, I don’t put much faith in predictions. Still, if we had a large amount of historical data and relevant indicators, we could certainly design... Read more
When we start a data warehousing project, the first thing we do is define the dimensional tables. Dimensional tables are the interesting bits, the framework around which we build our measurements. They come in many shapes and sizes. In this article, we are going to take a closer look at each type of dimensional... Read more
When databases were sized in megabytes rather than petabytes, their design was a well-defined discipline of data analysis and implementation. A progression of modeling steps – from conceptual and logical through relational and/or physical – promised successful deployment. Read more
Relationships are everywhere: between people, between organizations, between organizations and people. Think about being an employee of a company, being a member of a project team, or being a subsidiary of another company. Is there a straightforward way to accurately model and manage all these relationships? Can we easily answer the question ‘Who knows... Read more
Have you written an application that issues invoices? Then you’ve probably struggled with PDF generation, for a start! (Headers don’t need to align, do they?) But there is much more to generating invoices than a pretty PDF. What information has to be on an invoice? How long should you keep an invoice? Read more
The process of defining your data warehousing system (DWH) has started. You’ve outlined the relevant dimension tables, which tie to the business requirements. These tables define what we weigh, observe and scale. Now we need to define how we measure. Read more
Redgate Data Modeler