Indexing Tables

Tables can be indexed with these indexing tools:

Storage-attached indexes (SAI)

Storage-attached indexes are attached to SSTables in Cassandra and located on the cluster that a SSTable is located.

SSTable-attached indexes (SASI)

SSTable-attached indexes are generated with SSTables in Cassandra and located on the node that a SSTable is located.

Secondary indexes (2i)

Secondary indexes (2i) are indexes that are written on each node in a Cassandra cluster and must be read from the node.

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