System-Versioned (Temporal) Tables in SQL Server
Jun 19, 2026 / · 6 min read · sql server temporal tables system versioning for system_time history table sys.tables point in time query data audit catalog views database structure metadata scripts ·Every UPDATE and DELETE on a system-versioned table leaves behind a complete, queryable history of the previous row — automatically, with no triggers and no audit-table plumbing. SQL Server records the period each row version was valid and answers point-in-time questions through a single FOR SYSTEM_TIME clause. This is …
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