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FS1360472174 / nosql-cassandra

cassandra 知识
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index #10

Closed FS1360472174 closed 7 years ago

FS1360472174 commented 7 years ago

cassandra index与mongo index有区别吗

FS1360472174 commented 7 years ago

1.cassandra index 不支持compound index 2.对某个字段创建了一个secondary index,可以基于此字段进行查询 3.clustering key 应该只是排序，而不能index

FS1360472174 commented 7 years ago

http://blog.csdn.net/fs1360472174/article/details/53589555

FS1360472174 commented 7 years ago

另外存储方式也不一样，mongo是B+树的索引。 cassandra是写另外一张表