What is the best way to store data?

Is it through the transaction group or Tag's history?
Looking for comprehensive explanation.


Some old discussion:

Some user manual info:

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Quite a few discussions about this on this forum, using other keywords:


Quite comprehensive. (There's not just one answer for all applications.)

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Transaction groups are very helpful for reporting, I'll say that. I've managed to make it work well enough with the standard historian to avoid the added cost of the SQL Bridge module though.