Last Write Wins Map

A row in a table can be thought of as a map. Column names are the keys of that map and cell values are the values. Tables that are upgraded to CRRs are modeled as Last Write Wins Maps by default.

In this setup, each cell in a row is a last write wins register.

Alternatives

Cells in a row can be modeled in a few other ways if LWW doesn't fit your use case.