ELINQ is a Language Integrated Query (LINQ) technology for relational databases and Entity Framework (EF) Core. It allows you to use C# to write strongly typed SQL queries.
ELINQ enhances EF LINQ with new capabilities:
With ELINQ SQL becomes just "another" class library exposing its API locally, literally "Language Integrated SQL". ELINQ has declarations of all methods and extension in popular databases, so you can take advantage of all the database features using C#.