FAQ's
Looker is a business intelligence that scans the existing databases to provide different reports.
It depends on the level of analytics you want. If you want deep analytics with a small team and cheap cost, you use Tableau, but if you have a big organization, you want fast results and good data visualizations, you use Looker.
Looker uses LookML for handling all its data operations like calculations, dimensions, relationships, e.t.c.
Looker is a software that handles all the business analytics. It makes it easy to create graphs and charts based on customized data that you achieve using different functions and filters.