Columnar
Columnar refers to a data storage format where information is organized in columns rather than rows. This structure allows for efficient data retrieval and analysis, especially in large datasets. It is commonly used in databases and data warehouses, enabling faster query performance and better compression.
In a columnar database, each column is stored separately, which means that only the relevant data is read during a query. This is particularly beneficial for analytical tasks, as it reduces the amount of data that needs to be processed. Popular examples of columnar databases include Apache Cassandra and Google BigQuery.