From the course: Complete Guide to Data Lakes and Lakehouses
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ACID transactions
From the course: Complete Guide to Data Lakes and Lakehouses
ACID transactions
- Now let's take a deeper look into one of the most important concepts in data lake houses, ACID transactions. What are they and how are they implemented? ACID is an acronym that stands for atomicity, consistency, isolation, and durability. It describes a set of properties that guarantee database transactions are processed reliably, despite errors, power failures, or other unexpected conditions. Here is a closer look at each one of these properties. Atomicity guarantees that each transaction is treated as a single unit, which is either fully completed or not executed at all. If any part of the transaction fails, then the entire transaction fails and the database state is left unchanged. This property is important for preventing partial data operations that could lead to data corruption. So how is atomicity implemented? Transaction management systems are one of the options for implementing atomicity. These systems manage the state of transactions, making sure that they are complete…
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