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#search engine #data index #document store #lucene #information retrieval

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#data index #database index #file index #catalog #structured data #linked list

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#database table #records #organized data #data index #information structure

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#structured data #data index #data reporting

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#array index #data index #select element #left right access

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#database search #record lookup #primary key #filing system #archive record #data index #record identifier