About

An OLAP database is an olap application that provide a multidimensional view of the data and are designed to answer analytical questions such as “Why?” and “How?”

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Object

An OLAP database will contains the following objects:

• Dimensions,
• Hierarchies,
• Cubes,
• measures,
• and calculations,

List

• https://pinot.apache.org/
• https://clickhouse.com/