AI engineering glossary · Data engineering

What is time travel?

Time travel: The ability of a versioned table to be queried as it was at an earlier time or version, kept through snapshots or a log. It helps audit, reproduce results and recover from bad writes.

Level: advancedTopic: Data engineering

Time travel: an example

After a faulty job overwrote a table, an engineer queries the version from yesterday and restores it.

Related terms

More Data engineering terms

Where you learn it

Time travel is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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