LLD - Design — Library Management SystemWhich of the following is the correct CRUD operation to update a book's information in the system?ACreateBReadCUpdateDDeleteCheck Answer
Step-by-Step SolutionSolution:Step 1: Recall CRUD operation definitionsCreate adds new data, Read views data, Update changes existing data, Delete removes data.Step 2: Match operation to updating book infoChanging a book's details means modifying existing data, which is Update.Final Answer:Update -> Option CQuick Check:Update = modify data [OK]Quick Trick: Update means change existing data [OK]Common Mistakes:MISTAKESChoosing Create instead of UpdateConfusing Read with UpdateSelecting Delete by mistake
Master "Design — Library Management System" in LLD9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepArchTryChallengeDesignRecallScale
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