规范化与非规范化之间的区别
更改数据库结构的过程基本上分为两种方式，一种是规范化，另一种是非规范化。
以下是规范化和非规范化之间的重要区别。
Normalizationisusedtoremoveredundantdatafromthedatabaseandtostorenon-redundantandconsistentdataintoit.Normalizationmainlyfocusesonclearingthedatabasefromunuseddataandtoreducethedataredundancyandinconsistency.DuringNormalizationasdataisreducedsoanumberoftablesaredeletedfromthedatabasehencetablesarelesserinnumber.Normalizationusesoptimizedmemoryandhencefasterinperformance.Normalizationmaintainsdataintegrityi.e.anyadditionordeletionofdatafromthetablewillnotcreateanymismatchintherelationshipofthetables.Normalizationisgenerallyusedwherenumberofinsert/update/deleteoperationsareperformedandjoinsofthosetablesarenotexpensive.热门推荐
10 八一幼儿祝福语大全简短
11 公司乔迁食堂祝福语简短
12 婚礼结束聚餐祝福语简短
13 儿媳买车妈妈祝福语简短
14 毕业送礼老师祝福语简短
15 同事辞职正常祝福语简短
16 恭贺新婚文案祝福语简短
17 金店立秋祝福语简短英文
18 婆婆高寿祝福语大全简短