Summary
In this episode, we'll have a look at various approaches to data consistency and why it could be important to normalize the data. We'll look at and old approach and a more current one along with the caveats associated with each of them.rails data model 8:20
Chapters
- Introduction (0:00)
- Setting up the scaffold (0:56)
- Using callbacks to normalize the data (1:20)
- Demo on the callbacks (2:05)
- Triggering callbacks on existing data (2:26)
- Warning about callbacks (3:33)
- Using normalizes (4:00)
- A gotcha with normalizes (4:57)
- Triggering normalizing functionality (6:08)
- Note about callbacks vs normalizes (6:46)
- Chaining methods (6:58)
- Final thoughts (7:52)
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