Enhanced Entity Relationship
Enhanced Entity-Relationship Modeling Enhanced Entity-Relationship (EER) modeling is an extension of ER modeling to include object-oriented concepts such as: superclasses
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Entity Relational Diagram
Conceptual Database Design Conceptual database design involves modeling the collected information at a high-level of abstraction without using a particular
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SQL – Data Definition Language
SQL Overview SQL (Structured Query Language) is the standard query language for relational databases, which was initially established by the
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Union Union is a binary operation that takes two relations, R and S, as input and produces an output relation
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Database Development Process
ANSI/SPARC Architecture Data abstraction is one of the primary benefits of database systems. Data abstraction is accomplished by defining various
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Introduction to Database Systems
Database Systems can be easily described as a structured set of data stored in a computer that may be accessed
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