# rolap 2.2.0
* Vignette about obtaining and transforming flat tables.
* Definition of flat_table class with functions to transform an integrate data.
* Vignette about integration of dimension instances.
* Functions to query and modify instances of dimensions.
* Definition of a common data model for star databases and constellations.
* Vignette about `md` and `rolap` packages.

# rolap 2.1.0
* Definition of role-playing and role dimensions (with explanatory vignette): `role_playing_dimension()` and `get_role_playing_dimension_names()` functions.
* New functions to query and rename attributes in dimensions and measures in facts: `get_attribute_names()`, `set_attribute_names()`, `get_measure_names()` and `set_measure_names()`.
* Include detailed validation error messages.

# rolap 2.0.0
* New version from the experience in the `starschemar` package.
* Initial functionality for defining star databases and constellations.
* Export of the data model to RDBMS.
