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Summary | 11 Annotations
联机分析(OLAP)的列式数据库管理系统(DBMS)
2020/06/10 05:30
列式数据库总是将同一列的数据存储在一起,不同列的数据也总是分开存储
2020/06/10 05:32
大多数是读请求
2020/06/10 05:32
相当大的批(> 1000 rows)进行写入
2020/06/10 05:33
不修改已添加的数据
2020/06/10 05:33
大量的行
2020/06/10 05:33
少量的列
2020/06/10 05:33
宽表
2020/06/10 05:33
每秒数百个查询或更少
2020/06/10 05:33
分析
2020/06/10 05:36
读取100列中的5列,这将帮助你最少减少20倍的I/O消耗。
2020/06/10 06:02