https://click4r.com/posts/g/18....294141/celebration-s
https://yamcode.com/jazzband-d....j-database-url-use-d
The $expand query option can bespecified utilizing the names of the selected entity sets as navigation propertynames. If a specific entity set is not expanded, it MUST be represented usingthe read URL of the related entity as a navigation hyperlink within the complex typeinstance. The primary guidelines for addressing a group (of entities), asingle entity inside a group, a singleton, as properly as a propert