What is disaggregation and aggregation of data?

DWQA QuestionsCategory: HadoopWhat is disaggregation and aggregation of data?
Editor Staff asked 2 months ago

What is disaggregation and aggregation of data?

1 Answers
Editor Staff answered 2 months ago

The process of viewing numeric values or measures at higher and more summarized levels of the data is called aggregation. When you place a measure on a shelf, Tableau automatically aggregates the data, usually by summing it. You can easily determine the aggregation applied to a field because the function always appears in front of the field’s name when it is placed on a shelf. For example, Sales becomes SUM(Sales).  You can aggregate measures using Tableau only for relational data sources. Multidimensional data sources contain aggregated data only. In Tableau, multidimensional data sources are supported only in Windows.