Every decision is a trade-off
On This Lesson 4 topics
This lesson is planned. The outline below lists the topics it will cover. The full lesson has not been published yet.
In this lesson
accept that every option buys something and costs something.
Planned topics
- If an option has no downside, you have not looked hard enough.
- Compare options on the prioritized attributes from the utility tree, not on taste.
- Cost includes build, run, learn, and change later.
- "It depends" is an incomplete answer; finish it with "on which attribute matters most".
Draft outline details
Demonstration
a two-option table for order storage (single PostgreSQL vs sharded) with a gain and a cost per attribute.
Check your understanding
What should you compare options against?
Show answer
The prioritized quality attributes and cost.
Practice
Apply this lesson with the module's lab, exercises and quiz.
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