Department of Redundancy Department
Ever wonder all the reasons that we use databases instead of file systems? While we don’t think of it too much anymore, the first reason that databases came into existence was to remove redundancies.
2024-04-12
Database modelling
Dimensional Modeling Case Study Part 2 - Days Dimension
Learn how you can model days in a dimension that might need to be aggregated in different ways for your data warehouse operations.
2024-02-07
1,894 reads
Dimensional Modelling Case Study Part 1 - Age Group
Learn how you can handle dimensional modeling in a data warehouse when your data uses different categorization for ages.
2024-01-12
2,420 reads
Having Data Modeling Standards
Today Steve talks about data modeling and how standards can transfer knowledge between developers.
2023-11-22
387 reads
Cone of Uncertainty
Our design and modeling is often done with some level of uncertainty. Steve has a few guidelines today.
2022-10-26
163 reads
2020-09-15
176 reads
Database Modeling - Relationships
A proper relationship between two people, places or things improves the communication between them. In every real-world based application, this logic holds and a database is no different. This article discusses the different relationship types possible between database objects. The designing of these relationships between them is called modeling, and the three types of relationships […]
2020-08-31
7,247 reads
Five Online Database Modelling Services
To design, or redesign, a database of any complexity, the Entity-Relationship modelling tool becomes essential. The specialized tools that have dominated the industry for a long while are expensive and are installed on a workstation. Now that browser technology has progressed so rapidly, the online database modelling tools have become viable and are starting to attract the attention of database designers. Are they good enough to use now? Robert Sheldon finds out.
2016-03-11
4,547 reads
Blogs
SQL Saturday Boston 2024 Slides
By Steve Jones
Thanks to everyone that came to my talks. Slides are below. Best Practices for...
Small Data SF 2024
By Steve Jones
I can’t remember how I heard about Small Data SF 2024, but it caught...
A New Word: Moledro
By Steve Jones
moledro – n. a feeling of resonant connection with an author or artist you’ll...
Forums
Impact of adding the opening of the Master Key in a SQL job for SSIS packages
Bonjour à tous, J'ai un problème d'exécution de mes packages SSIS. A chaque opération...
Being an extroverted introvert at a conference
Comments posted to this topic are about the item Being an extroverted introvert at...
Need to group the same valued ID fields to run an aggregate average over them
I have data that contains poll results, with the poll_id consistuting a single row...
Question of the Day
How are statistics stored?
How are the statistics for query optimization stored in SQL Server?
See possible answers