# A Datestamp-Based Alternative to Slowly Changing Dimensions

DevFeed: [A Datestamp-Based Alternative to Slowly Changing Dimensions](<https://devfeed.tech/articles/scd-2-considered-harmful-part-2-27254.md>)

Original publisher: [Read original article](<https://blog.dataexpert.io/p/stop-using-slowly-changing-dimensions>)

Author: Sahar Massachi

Published: 2025-11-04T20:44:28Z

Content type: tutorial

Language: en

Sources: [DataExpert.io Newsletter](<https://devfeed.tech/sources/dataexpert-io-newsletter.md>)

Topics: [data](<https://devfeed.tech/topics/data.md>), [Structured-data](<https://devfeed.tech/topics/structured-data.md>), [datasets](<https://devfeed.tech/topics/datasets.md>)

Tags: [2025](<https://devfeed.tech/tags/2025.md>), [data](<https://devfeed.tech/tags/data.md>), [data-recovery](<https://devfeed.tech/tags/data-recovery.md>), [pipeline](<https://devfeed.tech/tags/pipeline.md>), [sql](<https://devfeed.tech/tags/sql.md>), [time](<https://devfeed.tech/tags/time.md>)

## AI overview

This second installment in a data warehousing series explains the difficulty of querying historical state across multiple tables with slowly changing dimensions. It proposes datestamps and idempotent pipelines as a simpler approach for historical queries, backfills, data recovery, and operational alerts.

## Source excerpt

Date stamp your data!