VMware VCENTER APPLICATION DISCOVERY MANAGER 6.1 - REPOSITORY Manuale Utente Scaricare il pdf (Pagina 28)

ADM Repository Reference Guide

28 VMware, Inc.

Overview of External Database Tables

Thischapterprovidesinformationabouttheexternaldatabasetables.

Database Structure and Dependencies

Figure 4‐1illustratesthestructureanddependenciesoftheADMexternaldatabase.Arrowheadsareusedto

identifythetablekeys.

Itisimportanttonotethatsomeofthecommonlyaccesseddataisduplicatedinmanytablestoavoid

unnecessaryjoins.

Fordisplaypurposes,somedataisaggregatedtoa

comma‐separatedlist.Forexample:

 hostnames–aflatlistofoneormorehostnames.

 host_ips–aflatlistofallIPsofahost.

 groups–aflatlistofgroupstheentitybelongsto.

 Asinglerelationcalledentity_id(ingroupmembership,usagemetric,etc.)couldbejoinedwithallthree

“entity”tables(network_element,service,anddependency)althoughitisnotshownintheERDasa

foreignkey.

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VMware VCENTER APPLICATION DISCOVERY MANAGER 6.1 - REPOSITORY Manuale Utente Pagina 28