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admin:indexing:indexes:types [2011/01/18 21:22]
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admin:indexing:indexes:types [2011/01/18 21:24]
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 An Omnidex Index can also be created with multiple columns. ​ These indexes are valuable for optimizing SQL statements with multiple columns in the GROUP BY clause, ORDER BY clauses or the aggregation functions (COUNT, SUM, MIN, MAX and AVERAGE).  ​ An Omnidex Index can also be created with multiple columns. ​ These indexes are valuable for optimizing SQL statements with multiple columns in the GROUP BY clause, ORDER BY clauses or the aggregation functions (COUNT, SUM, MIN, MAX and AVERAGE).  ​
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 +== Omnidex Bitmap Index - A common variation ==
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 +An Omnidex Bitmap Index uses a bitmap storage format to reduce disk space usage and speed performance. ​ Omnidex Bitmap Indexes are appropriate for non-textual columns with thirty or less distinct values.  ​
  
 === QuickText Indexes === === QuickText Indexes ===
 
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admin/indexing/indexes/types.txt ยท Last modified: 2016/06/28 22:38 (external edit)