I hope this chapter expanded your horizon about things you can do with SQL. SQL is way more than just a language to read data from a database. We’ve seen how it helps to monitor all processes behind our product and business, how BI tools can visualize data for us, automate it and, eventually, make data talk to us. Let’s recap what we’ve learned:
Simple dashboard queries
BI tools allow us to visualize data and convert SQL queries to beautiful charts. One of the easiest charts one can imagine is a metric reported for a period of time. For example,...