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. Entity Framework Core (EF Core for short) is a popular ORM ...

SQL remains the foundation for turning raw records into reports and business insights across industriesCore queries like ...

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types. Datetimes and intervals are ...

JSON has stolen some of XML's thunder with features such as human and machine readability, a lightweight, compact text structure and support for many software and hardware platforms. JSON (JavaScript ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...