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ERD (Entity Relationship Diagram) Diagram Hubungan Entitas. An entity-relationship diagram (ERD) is a specialized graphic that illustrates the relationships between entities in a database ( adalah grafis khusus yang menggambarkan hubungan antara entitas dalam database )
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An entity-relationship diagram (ERD) is a specialized graphic that illustrates the relationships between entities in a database • (adalah grafis khusus yang menggambarkan hubungan antara entitas dalam database) • (http://databases.about.com/cs/specificproducts/g/er.htm) • An entity-relationship diagram is a data modeling technique that creates a graphical representation of the entities, and the relationships between entities, within an information system. • (Diagram Hubungan Entitas adalah teknik pemodelan data yang menciptakan representasi grafis dari entitas, dan hubungan antara entitas, dalam suatu sistem informasi) • (http://searchcrm.techtarget.com/definition/entity-relationship-diagram) • An entity relationship diagram is a graphical documentation of a database's tables, fields, and the relationships between tables in the database. • (Sebuah diagram hubungan entitas adalah dokumentasi grafis dari tabel-tabel database, field, dan hubungan antara tabel dalam database) • (http://wiki.answers.com/Q/What_is_an_Entity_Relationship_diagram_for_library_management_database) • The entity is a person, object, place or event for which data is collected. • The relationship is the interaction between the entities. • Bergunauntukmemodelkan data yang akandisimpan/diolahsehingga pihak pengembang dan pengguna bisa sama-sama mengecek kelengkapannya. • Sesudahmemodelkan data dalambentuk ERD, selanjutnya diagram tersebutakandipetakanuntukmenjadi database.
ERD often use symbols to represent three different types of information. Boxes are commonly used to represent entities: Diamonds are normally used to represent relationships and Ovals are used to represent attributes.
Source: http://creately.com/diagram/example/h7iin2581/E-R+Diagram+for+Hotel+management+system
SOURCE: http://creately.com/diagram/example/h7cw0wrb1/+E-R+Diagram+of+Library+Management+System
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