> Double-dated data—we tag each bit of business data with 2 dates:
> * The date on which the data changed out in the real world, the effective date.
> * The date on which the system found out about the change, the posting date.
> Using effective & posting dates together we can record all the strange twists & turns of feeding data into a system.
[0] https://tidyfirst.substack.com/p/eventual-business-consisten...
> Double-dated data—we tag each bit of business data with 2 dates:
> * The date on which the data changed out in the real world, the effective date.
> * The date on which the system found out about the change, the posting date.
> Using effective & posting dates together we can record all the strange twists & turns of feeding data into a system.
[0] https://tidyfirst.substack.com/p/eventual-business-consisten...