LLD - Design — Food Delivery System
In a review system, users complain their reviews disappear after submission. What is the most probable bug?
In a review system, users complain their reviews disappear after submission. What is the most probable bug?
medium📝 Analysis Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze why reviews disappear
If reviews vanish, likely they are not stored persistently.Step 2: Identify missing database save
Check if the system saves review data after user submits.Final Answer:
The review is not saved to the database after submission -> Option BQuick Check:
Disappearing reviews = Not saved in DB [OK]
Quick Trick: Ensure reviews are saved to database after submission [OK]
Common Mistakes:
- Blaming UI speed for data loss
- Confusing images with review storage
- Thinking rating scale causes disappearance
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