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From Apache Wiki <>
Subject [Solr Wiki] Update of "UniqueKey" by HossMan
Date Mon, 05 Sep 2011 00:07:09 GMT
Dear Wiki user,

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The "UniqueKey" page has been changed by HossMan:

add TOC

  The Solr '''uniqueKey''' field encodes the ''identity semantics'' of a document. In database
jargon, the ''primary key''.
+ <<TableOfContents()>>
  = Use cases =
  A Solr index does not need a unique key, but almost all indexes use one.
  == Use cases which do not require a unique key ==

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