Nov 5, 2025 · Azure Databricks sets many default parameters for Delta Lake that impact the size of data files and number of table versions that are retained in history. Delta Lake uses a combination of …

Create, read, write, update, display, query, optimize, time travel, and versioning for Delta Lake tables.

See Optimized writes for Delta Lake on Azure Databricks. Tune file sizes in table: Azure Databricks can automatically detect if a Delta table has frequent merge operations that rewrite files and may choose …

Jun 11, 2025 · Learn about the Delta Lake API reference guides. Delta Lake is an open source storage layer that brings reliability to data lakes.

Delta Lake is a data management solution in Azure Databricks providing features including ACID transactions, schema enforcement, and time travel ensuring data consistency, integrity, and …

Delta Lake change data feed records changes to a Delta table, including updates and deletes. When enabled, you can stream from a change data feed and write logic to process inserts, updates, and …

Mar 29, 2025 · Compare supported features and upgrade Delta Lake protocol versions on Azure Databricks.

Feb 4, 2025 · Control target file size manually or configure file size autotuning with Delta Lake.

Jan 16, 2025 · Learn how to copy data to and from Azure Databricks Delta Lake by using a copy activity in an Azure Data Factory or Azure Synapse Analytics pipeline.

Oct 8, 2025 · You can upsert data from a source table, view, or DataFrame into a target Delta table by using the MERGE SQL operation. Delta Lake supports inserts, updates, and deletes in MERGE, and …