Entity Framework 6

These are my notes while reviewing the latest release of Entity Framework EF6       Migrations = creates or updates database automatically as models in the application change. This lets developers focus on the application models and not worry about the database.   EF SaveChanges() This does the actual SQL command execution. It is […]

Relational vs Non-Relational Databases

History   Relational theory Tuples = unordered set of attribute values (row and attribute of column in a table) Relation = collection of tuples and corresponding relations Constraints = enforce consistency; used to identify tuples and relationships between them Operations = joins, projectsions, unions, etc; generally based on the relations   Transaction model Changes on […]