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What are ACID properties? Is PostgreSQL compliant with ACID?

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ACID stands for Atomicity, Consistency, Isolation, DURABILITY. They are database transaction properties which are used for GUARANTEEING data validity in case of errors and failures.

  • Atomicity: This property ensures that the transaction is completed in all-or-nothing way.
  • Consistency: This ensures that updates made to the database is valid and follows RULES and restrictions.
  • Isolation: This property ensures integrity of transaction that are visible to all other transactions.
  • Durability: This property ensures that the committed transactions are stored PERMANENTLY in the database.

PostgreSQL is compliant with ACID properties.


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