A process of designing data bases that combines data from separate tables or files into a single table. Denormalized databases usually store information less efficiently than normalized databases, but are often easier to use when running queries or generating reports.[@more@]
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/7517179/viewspace-933145/ ，如需转载，请注明出处，否则将追究法律责任。
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