09 Columnar Databases

In the recent years there has been a ever growing need for technologies capable of handling large scala data analysis Thas need was born because dataset of ”Big Data” size have often very different…

Apache Cassandra is a highly scalable, high-performance distributed database designed to handle large amounts of data, providing high availability with no single point of failure. It’s a column-based…

HBase Table : Split it into multiple regions: replicated across servers. One Store per ColumnFamily (subset of columns with similar query patterns) per region. Memstore for each Store: in-memory…

To query the data stored within Cassandra, a dedicated query language named Cassandra Query Language (CQL) was developed. CQL offers a model similar to MySQL under many different aspects It is used…