Dear Wikiwand AI, let's keep it short, summarize this topic like I'm... Ten years old or a College student
A temporal database stores data relating to time instances. It offers temporal data types and stores information relating to past, present and future time. Temporal databases could be uni-temporal, bi-temporal or tri-temporal.
- Valid time is the time period during which a fact is true in the real world.
- Transaction time is the time at which a fact was recorded in the database.
- Decision time is the time at which the decision was made about the fact.