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Registry E-R Diagram

903 bytes added, 18:34, 1 August 2011
Database Design – Entities and Attributes: Updating to include characteristics
| style="vertical-align:text-top"|TechType
| style="vertical-align:text-top"|Enumerated list of technology types. This list will include these labels, and can be amended over time: database engine, programming language, operating system
|}
 
 
 
{|
! style="width:75px;text-align:left"|''Characteristic'' !! style="width:150px;text-align:left"|Attribute !! style="width:120px;text-align:left"|Type !! style="text-align:left"|Description
|-
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| style="vertical-align:text-top"|Name
| style="vertical-align:text-top"|string
| style="vertical-align:text-top"|Name of the characteristic
|-
|
| style="vertical-align:text-top"|FoundIn
| style="vertical-align:text-top"|PackageType
| style="vertical-align:text-top"|Enumerated list of package types. (See Package entity)
|}
 
 
 
{|
! style="width:75px;text-align:left"|''Char_Value'' !! style="width:150px;text-align:left"|Attribute !! style="width:120px;text-align:left"|Type !! style="text-align:left"|Description
|-
|
| style="vertical-align:text-top"|Value
| style="vertical-align:text-top"|string
| style="vertical-align:text-top"|The response of a specific package to a specific characteristic
|}
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