One of the most important steps in desiging a database is establishing the data model. Part one of a two-part article describes how to create a logical model.

The physical data model contains all the specifics about how the logical model will be implemented. This model format includes table names, column names, types, lengths, primary keys, foreign keys ...

Logical models are based on functional dependencies between the data elements, and not number of reads. Once the discussion considers speed of response, or the number of reads, or the count of records ...

Logical data model provides underlying structure for communication companies` customer relationship management information needs. By Alison Bull Communications. Johannesburg, 10 May 2001.

Sangarsu's mastery in data modeling for relational databases, including MySQL, Oracle, PostgreSQL, SQL Server and SQLite3, transcends the mere management of complex data structures. His approach ...

Oracle has paved the way for developers to more easily build data models that create and update existing databases. The Oracle SQL Developer Data Modeler, which integrates with Oracle SQL ...