Impossible to query Vocabulary items in Drupal 8

I’m creating a custom module and I see Drupal 8 has no taxonomy_vocabulary table as in D7.
So, impossible to generate SQL JOIN to show all vocabulary with its terms?

I would like D8 store Vocabularies in a separate table (taxonomy_vocabulary). Will core developer change this structure?

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/4/feed