Functional dependencies and normalisation were used to find the non-redundant relationships between the attributes and determine the appropriate keys. The next step is to find the cardinalities of the ...

Types of Database Management Systems Until the turn of the century, database management systems were classified as either relational or non-relational, depending on their structure and uses. If the ...

We contend that utilizing existing relational databases is a promising approach for constructing benchmarks due to their accurate knowledge description via functional dependencies. We propose ERBench ...

The ER model provides a framework for understanding, analyzing and designing databases. This type of data model is used most often to design relational databases. Image: shmai/Adobe Stock ...

The entities can be anything, such as an object, a concept, or a piece of data. The entity-relationship data modeling technique was developed for databases and introduced by Peter Chen in 1976.

This work elaborates how un-normalized relations are created during the entity relationship (ER) model to relational schema transformation. A set of rules is presented which if followed at the stage ...

Lab Goals The first part of this lab provides an overview of relational database data models. It covers core RDBMS syntax and provides a case-study based approach to demonstrate the utility of ...