SQL - Transactions and Data IntegrityWhich of the following is true about transactions started with BEGIN TRANSACTION?AThey ensure all included operations succeed or fail togetherBThey automatically save changes after each statementCThey cannot be rolled back once startedDThey create a backup of the databaseCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand transaction atomicityTransactions guarantee that all operations inside either complete fully or none apply.Step 2: Check each optionOnly They ensure all included operations succeed or fail together correctly describes this atomic behavior.Final Answer:They ensure all included operations succeed or fail together -> Option AQuick Check:Transaction atomicity = All or nothing [OK]Quick Trick: Transactions group operations to succeed or fail as one [OK]Common Mistakes:Assuming transactions auto-save after each statementBelieving transactions cannot be rolled back
Master "Transactions and Data Integrity" in SQL9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
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