Example image of eyePlorer eyePlorer map for 'Entity-relationship model': Data Conceptual schema Database model Relational database Semantic data model Top-down and bottom-up design Peter Chen Database Information Information system Requirements analysis Data modeling Domain of discourse Ontology (information science) Logical data model Relational model Database design Entity Noun Verb ERROL Query language Unique key Weak entity Binary relation Cardinality (data modeling) Bijection Injective function Surjective function Total relation Attribute First-class object Relationship Jean-Raymond Abrial Barker's Notation Information engineering Structured Systems Analysis and Design Method CACI Computer-aided software engineering Oracle Corporation Architecture of Integrated Information Systems Devgems Data Modeler DeZign for Databases Dia (software) Microsoft Visio MySQL Workbench OmniGraffle PowerDesigner System Architect (software) TOAD (software)