ThatJeffSmith

Tag: data modeling

SQL Developer Data Modeler Quick Tip: Hide and Resize

Ever seen a table with so many columns you wonder if the designer had fallen out of the de-normalization tree and had hit every branch on the way down? Oracle currently allows a max of 1,000 columns per table. Please do not test this limit. Maybe you do need that many columns, but I doubt […]

How To: Generate an ERD for Selected Tables in SQL Developer

Entity Relationship Diagrams tell a story. An employee is assigned one department. A location can house one or more departments. Jeff doesn’t have a boss because he is ‘the man.’ It can be challenging to understand the nature of your data by simply reading through the list of Foreign Key constraints for a table. Who […]

SQL Developer Data Modeler Quick Tip: Use SubViews

Modeling is cute when you’re in a class and the sample application is for a rotisserie league for fantasy football, or you need a shopping cart ordering system for online retail. You spend a few hours and might come up with several dozen tables. But what about in the real world when you are trying […]

You Know What Grinds My Gears? – Database Design Edition

I think one of the dirty secrets in the software business is how LITTLE feedback we get from our end-users. You know they are out there though, gritting their teeth, cursing the day someone trusted you with a keyboard and mouse. Some of this software is very expensive to boot, so one would expect these […]