December 2019
Intermediate to advanced
494 pages
11h 41m
English
The wide column model has tables, rows, and columns, like a SQL database. They differ from relational systems in that the names and types of columns can differ from row to row in the same table. This last statement is no longer true for Cassandra and tables now have a fixed schema. In that sense, the Table API is more like a wide column model than Cassandra, while Cassandra is more like a key-value store. Cassandra (and Cosmos DB) is still highly scalable and fault-tolerant because it was designed as a distributed system to provide high availability and low latency. The Microsoft documentation for Cassandra is short and the Cassandra documentation is full of to-dos, so unless you have a really good reason ...