Creating Relationships in SQLDBM

Creating Database Relationships in SQLDBM  Introduction The identifying feature of relational databases such as SQL Server, Oracle, Postgres and MySQL, is relationships. Relationships are the one feature which more than any other, gives relational databases so much flexibility and power in accurately modeling real-world business and organizational setups. For instance, …

Purpose of Relational Database Schema

What Is Relational Database Schema? A relational database schema is the tables, columns and relationships that link together the components into a database. The relational model (RM) for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by Edgar F. Codd, where all …