博文
Cassandra
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> I > I don't understand the advantages of ColumnFamilies over a
> SuperColumnFamily with just one supercolumn. Why have the former if the
> latter is functionally equivalent?
KeySpace - >Row -> ColumnFamily -> Column[name, value]
(a two-level map)
KeySpace -> Row ->SuperColumnFamily -> SuperColumn[name] -> Column[name, value]
(a three-level map)
A CF consists exclusively of columns or super columns (never both). So they can't be mixed within a same
ColumnFamily.
https://wap.sciencenet.cn/blog-425672-322770.html
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