Vincent-Philippe Lauzon shows off a feature now in public preview:
Kusto databases, either in Azure Data Explorer or in Fabric KQL Database, are optimize for append ingestion.
In recent years, we’ve introduce the .delete command allowing you to selectively delete records.
Today we are introducing the .update command. This command allows you to update records by deleting existing records and appending new ones in a single transaction.
This command comes with two syntaxes, a simplified syntax covering most scenarios efficiently and an expanded syntax giving you the maximum of control.
Read on for more information and a pair of examples of how updating works.