- A framework to present your data in an aggregated or graphical fashion
- Data table - aggregated data presentation, not a mechanism for a data dump
- There is no built-in mechanism to dump data of a search
- Third-party plugin for data import/export: knapsack cannot export more data than rows shown on the page
- Data Table - by default presents a count of the documents found by search
- Can use new or previously saved Discover search
- Two components: metrics and aggregation
- Metrics: a loose equivalent of measures in a fact table from BI (Business Intelligence) world
- Aggregation: a loose equivalent of dimension in OLAP (online analytical processing) world