LLD - Design — Hotel Booking SystemWhich of the following is a correct component to include in a cancellation policy data model?Alogin_attempts: intBuser_password: stringCproduct_price: floatDallowed_cancellation_time: datetimeCheck Answer
Step-by-Step SolutionSolution:Step 1: Identify relevant data for cancellation policyThe allowed cancellation time defines until when a user can cancel and get a refund.Step 2: Exclude unrelated fieldsUser password, product price, and login attempts are unrelated to cancellation timing.Final Answer:allowed_cancellation_time: datetime -> Option DQuick Check:Cancellation policy needs cancellation time [OK]Quick Trick: Cancellation policy needs allowed cancellation time field [OK]Common Mistakes:MISTAKESIncluding unrelated user or product fieldsConfusing cancellation time with login dataUsing incorrect data types for time
Master "Design — Hotel Booking System" in LLD9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepArchTryChallengeDesignRecallScale
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