select contextual keyword is used to determine what variables to return at the end of a query, e.g., '
select id'. Immediately following the contextual keyword
select is an expression that may be as simple as a single attribute of each item returned or the item itself. The expression could include a list of attributes or it could be a more complex expression that transforms the returned results of the query into new types.
|Special C# Identifiers (Contextual Keywords)
|Contextual Keywords (Used in Queries)