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Temporal databases and immutability are independent concepts. A 'time series database' only solves the simple temporal database problems. When validity comes in
by ExpiredLink 13y ago
Temporal databases and immutability are independent concepts. A 'time series database' only solves the simple temporal database problems. When validity comes into play things become really hard (something was entered yesterday but will be valid from tomorrow).
- jacques_chester 13y agoTemporal databases rely on the immutability of each record (whether by convention or as a system guarantee). Changes are no longer expressed with updates on a given row; instead you add new rows to represent the change.
- ExpiredLink 13y ago> Temporal databases rely on the immutability of each record Some maybe, certainly not all! What you mean are 'historical' databases, a.k.a. time series.