## Schema reference

The dataset schema for each country is comprised of two parts:

- The [core schema](https://developers.google.com/maps/documentation/placesinsights/reference/core-schema.md.txt) that is common to the datasets for all countries.
- A [country-specific
  schema](https://developers.google.com/maps/documentation/placesinsights/reference/country-schema) that defines schema components specific to that country.

## Place types reference

[Place types](https://developers.google.com/maps/documentation/placesinsights/place-types.md.txt) are categories
that identify the characteristics of a place.

## Places Count function filter parameters

Places Count functions support a number of [filter
parameters](https://developers.google.com/maps/documentation/placesinsights/reference/filter-params)
to refine your query.

## Supported locations and table names

The cities in the sample dataset and the countries full dataset support both
direct queries and queries using Places Count functions. [See supported
locations and their corresponding table
names](https://developers.google.com/maps/documentation/placesinsights/reference/supported-locations).