Automatic Temporal Table Data Purging

Bert Wagner has warmed the cockles of my heart with this news:

The problem with temporal tables is that they produce a lot of data. Every row-level change stored in the temporal table’s history table quickly adds up, increasing the possibility that a low-disk space warning is going to be sent to the DBA on-call.

In the future with SQL Server 2017 CTP3, Microsoft allows us to add a retention period to our temporal tables, making purging old data in a temporal table as easy as specifying:

I’m in a situation where this will be very useful.

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Time Travel in Snowflake

Koen Verbeeck shows an interesting feature in Snowflake: Time travel in Snowflake is similar to temporal tables in SQL Server: it allows you to query the history rows of a table. If you delete or update some rows, you can retrieve the status of the table at the point in time before you executed that […]

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Error Messages Related to Temporal Tables

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