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Enhancing ER Diagrams to View Data Transformations Computed with Queries
2019
International Workshop on Data Warehousing and OLAP
Transforming relational tables to build a data set takes most of the time in a machine learning (ML) project centered around a relational database. The explanation is simple: a relational database has a collection of tables that are joined and aggregated with complex relational queries, and whose columns are transformed with complex SQL expressions, in order to build the required data set. In general, such data is wide, gathering many ML variables together. Such complicated data pre-processing
dblp:conf/dolap/0001B19
fatcat:x7b253w2uvasdfhzgvah75sncm