For example, you could query to find and extract all records that contained sales greater $1000 but less than $5000—but only on flat files (only one database matrix).

• Natural language query (NLQ) is a subset of natural language processing (NLP) that focuses on translating human language questions into database queries.

Take advantage of query types in EF Core to query types that don’t have keys and to map to tables and views that lack an identity column.