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Delta Lake

Free

Open storage layer that brings ACID transactions to Apache Spark and lakehouses.

Open SourceSelf-hostedPython SDKScala SDKJava SDKSQL SDK

Tool Info

Categories
Data Engineering
Official Website
delta.io
Repository
delta-io/delta
Official Docs

Overview

Delta Lake adds ACID transactions, schema enforcement, and time travel to data lakes.

It is the default table format in Databricks and widely used with Spark.

Delta UniForm enables interoperability with Iceberg and Hudi readers.

Pricing

Free tier available
Free (open source)

Pros

  • Tight Spark integration
  • Time travel and MERGE
  • Databricks ecosystem

Best For

Spark lakehousesIncremental ETLUnified batch and streaming

When NOT to Use

  • Historically Spark-centric
  • Unity Catalog ties to Databricks

Related Tools

Apache Spark
Unified analytics engine for large-scale data processing and ML workloads.
Apache Flink
Stream-first data processing engine for real-time analytics and event pipelines.
dbt
Transform data in your warehouse using version-controlled SQL models.

Alternatives

Apache Iceberg
Open table format for huge analytic datasets with ACID transactions on object storage.

Often Compared With

Apache Iceberg
Open table format for huge analytic datasets with ACID transactions on object storage.

Compare With

Compare with Apache Iceberg

Tags

#lakehouse#table-format#spark

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