Datasets

A dataset is the piece of data a template actually sees at render time. It follows a schema, and it can come from a mapping or be edited by hand.

Two sources

• Manual — you edit the values directly. No data source or mapping involved.
• Mapped — the dataset is the output of a mapping over a data source. When the source or mapping changes, the dataset re-resolves.

Two shapes

• Object — a single record. Used with object schemas.
• List — many rows. Used with list schemas. Only one row is on air at a time (the row selector in the control panel picks which).

What a dataset is not

A dataset is not a spreadsheet in the sense of "edit freely and hope for the best". It obeys its schema: fields must match, types are enforced, required fields must be filled. That discipline is what lets operators swap templates without re-wiring.

Next

• Creating a dataset — make one from scratch.
• Manual vs mapped — when to use which.
• Filters, sort, limit — shape a large source into a useful dataset.