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<\/a><\/p>\nIn the section 3 of this document we\u2019ve already described the types of hierarchies. Let us look at the table where there are more than one attribute hierarchies:<\/p>\n
Let us join all the attribute hierarchies into ohe virtual hierarchy by pressing these buttons:<\/p>\n As a result, out table will look like this:<\/p>\n Virtual hierarchies are easily recognizable: they are highlighted with a different color.<\/p>\n You also have the option to Expand \/ Minimize all level elements for virtual hierarchies in a way similar to the usual hierarchies.<\/p>\n Let’s, for example, minimize all the elements of the \u201cDate\\Date.Calendar\u201d \u201cYear\u201d level:<\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n