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The Accidental DBA

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Release： 2016-06-07 17:40:28
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添加新的索引是比较有难度的，因为需要分析已经存在的索引，如果只是单纯的添加索引，那么只会让索引越来越多，越来越臃肿，可以以miss index为指导创建索引。如果有miss index提示，那么把语句放到DTA上面，分析这样会比miss index更为全面，miss index 是

          添加新的索引是比较有难度的，香港空间，因为需要分析已经存在的索引，如果只是单纯的添加索引，那么只会让索引越来越多，越来越臃肿，香港服务器，可以以miss index为指导创建索引。如果有miss index提示，网站空间，那么把语句放到DTA上面，分析这样会比miss index更为全面，miss index 是为每个索引找最合适的索引，所以有时候需要考虑索引合并问题

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