2024年12月18日 · Delta Lake is open source software that extends Parquet data files with a file-based transaction log for ACID transactions and scalable metadata handling. Delta Lake is fully compatible with Apache Spark APIs, and was developed for tight integration with Structured Streaming, allowing you to easily use a single copy of data for both batch and ...

2024年8月9日 · Learn what to consider before migrating a Parquet data lake to Delta Lake on Azure Databricks, as well as the four Databricks recommended migration paths to do so.

2024年11月15日 · Delta Lake is an open-source storage layer that brings ACID (atomicity, consistency, isolation, and durability) transactions to Apache Spark and big data workloads. The current version of Delta Lake included with Azure Synapse has language support for Scala, PySpark, and .NET and is compatible with Linux Foundation Delta Lake.

2025年1月14日 · Explains Delta Lake and Parquet and why you should export data in this format. Export your Dataverse data to your Azure Synapse Analytics workspace in Delta Lake format with the Azure Synapse Link. Monitor your Azure Synapse Link and data conversion.

2024年10月2日 · Differences between Delta Lake and Parquet on Apache Spark. Delta Lake handles the following operations automatically. You should never perform these operations manually: REFRESH TABLE: Delta tables always return the most up-to-date information, so there is no need to call REFRESH TABLE manually after changes.

2023年4月21日 · Both Parquet and Delta formats have their own advantages and use cases. Deciding which format to use depends on the specific requirements and constraints of your Azure Data Factory (ADF) solution.

2024年8月29日 · Delta Lake was conceived of as a unified data management system for handling transactional real-time and batch big data, by extending Parquet data files with a file-based transaction log for ACID transactions and scalable metadata handling.

A serverless SQL pool can read Delta Lake files that are created using Apache Spark, Azure Databricks, or any other producer of the Delta Lake format. Apache Spark pools in Azure Synapse enable data engineers to modify Delta Lake files using Scala, PySpark, and .NET.

2025年1月21日 · Parquet データ レイクを Azure Databricks 上の Delta Lake に移行する前に考慮すべき事項と、それを実施する際に推奨される 4 つの Databricks 移行パスについて説明します。

2024年9月6日 · You can configure existing Parquet data files as external tables in Unity Catalog and then convert them to Delta Lake to unlock all features of the Databricks lakehouse. For the technical documentation, see CONVERT TO DELTA. Converting a directory of Parquet or Iceberg files in an external location to Delta Lake