The use of SQL within streaming systems opens up a new chapter in the story of SQL within the data domain.

Machine learning needs data and a lot of processing. Thus the data needs to be efficiently stored and retrieved

“Every decade, another hyped-up database technology comes along that claims SQL is terrible, slow, or impractical,” Pavlo says. “Over time, the conventional wisdom comes back to realizing that [SQL] is a good idea, and everyone returns to it.”

Reference to NoSQL, document-based database, graphs with nodes and edges.