Grokking Database Fundamentals for Tech Interviews
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Atomicity
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Atomicity is one of the core ACID properties that ensure the integrity of a database during transactions. It guarantees that each transaction is executed as a single, indivisible unit of work. This means a transaction will either complete all of its operations successfully or fail entirely, leaving the database unchanged.

What Does Atomicity Mean?

  • All-or-Nothing Principle: Atomicity ensures that either all the operations in a transaction are applied or none of them are. There is no middle ground.
  • Commit and Rollback:

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Table of Contents

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