Erd

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(ẽrd)
n.1.The earth.
Erd shrew
(Zool.) the common European shrew (Sorex vulgaris); the shrewmouse.
References in periodicals archive ?
Suraweera and Mitrovic (2004) devised the knowledge-based entity relationship model intelligent tutor KERMIT to assist students with design problems that have more than one correct solution.
This can lead to overlooking or discounting of business rules that would be much more apparent in a traditional Entity Relationship model.
The Geographical Information System Entity Relationship model is shown in Figure 3.