Microservices - Migration from Monolith
If a microservice uses vertical decomposition, which of the following is true about the database schema?
If a microservice uses vertical decomposition, which of the following is true about the database schema?
medium📝 Analysis Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Recall vertical decomposition meaning
It splits tables by columns, so each service owns some columns.Step 2: Analyze options
Each microservice owns tables with a subset of columns from the original table correctly states ownership of subsets of columns.Final Answer:
Each microservice owns tables with a subset of columns from the original table -> Option CQuick Check:
Vertical decomposition = subset columns per service [OK]
Quick Trick: Vertical = columns split, partial tables per service [OK]
Common Mistakes:
- Thinking vertical means full table copies
- Confusing vertical with horizontal splitting
- Assuming shared full schema
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