nation_group_member - Factbase

`nation_group_member`

SQL table: MASTER.NATION_GROUP_MEMBER Junction table linking nations to the nation groups they belong to. Each row represents a single membership — one nation in one group. Used as the bridge in the many-to-many relationship between nation and nation_group (e.g. GBR is a member of G7, NATO, Commonwealth, etc.).

Joins

Name	Relationship
`nation_group`	many_to_one
`nation`	many_to_one

Dimensions

Name	Type	Key	Description
`id`	string	✓	Surrogate primary key — nation_group_id + nation_id.
`nation_group_id`	string		Foreign key to the nation group.
`nation_id`	string		Foreign key to the nation.

Measures

Name	Type	Description
`count`	count	Number of nation-to-group membership records.
`count_distinct_nations`	count_distinct	Number of distinct nations across the selected groups.
`count_distinct_groups`	count_distinct	Number of distinct groups a nation belongs to.