Cassandra Concepts: Difference between revisions
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SELECT "email" FROM "user_tweets" WHERE "username" = 'john'; | |||
=Schema= | =Schema= |
Revision as of 20:45, 25 September 2019
Internal
Overview
Cassandra is a key-value database.
CQL
Cassandra Query Language
SELECT "email" FROM "user_tweets" WHERE "username" = 'john';
Schema
Keyspace
Keyspace Operations
Table
Row
Column
Partition Key
Has primary key, or lookup key semantics.