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Delta Lake


Delta Lake is an open source storage layer that brings reliability to data lakes. Delta Lake provides ACID transactions, scalable metadata handling, and unifies streaming and batch data processing. Delta Lake runs on top of your existing data lake and is fully compatible with Apache Spark APIs. Delta Lake on Databricks allows you to configure Delta Lake based on your workload patterns.


Databricks also includes Delta Engine, which provides optimized layouts and indexes for fast interactive queries.


Specifically, Delta Lake offers:



Delta Engine optimizations make Delta Lake operations highly performant, supporting a variety of workloads ranging from large-scale ETL processing to ad-hoc, interactive queries. For information on Delta Engine, see Delta Engine.


Source: Wikipedia


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