All Essentially Wide Subcategories

An essentially wide subcategory has all of the parent category's objects. There are several special cases:

• Cores are essentially wide.
• Skeletons are essentially wide.

1 row where supercategory = "FinVect_k"

✎ View and edit SQL

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CREATE VIEW "all_essentially_wide_subcategories" AS
select subcategory, supercategory, 'essentially wide' as kind from essentially_wide_subcategories
UNION
select skeleton, category, 'skeleton' from skeletons
UNION select groupoid, category, 'core' from cores
UNION
select total_subcategory, partial_category, 'total restriction' from restriction_categories;