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, …

Relational 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 data is represented in terms of tuples, grouped into relations. A database organized in terms of the relational model is a relational database. The term database …