數據庫---反規範化技術、大數據

原創 子路灬 2020-06-14 16:20

反規範化技術

技術手段

增加派生性冗餘列、增加冗餘列、重新組表、分割表

優點

犧牲空間與規範程度來提高查詢效率

大數據（海量數據）

特點（集羣平臺）

數據量極大（Volume）、數據處理速度快（Velocity）、數據有多樣性（Variety）、 數據有價值（Value）

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