Thread by @rmoff

Dan Sotolongo at #current22: RDBMS and SQL have stood the test of time. Sets the scene for stream processing by covering core concepts of tables and steams

#current22 handling event time joins in SQL using functions.

The next problem is making sure we have all the data. It’s watermarks, but not really

#Current22

How do you even define “complete”? 🤯

Finalisation predicates
#Current22

Final subquery
#Current22

Using change logs to build tables
#current22

Using an operator to get a change log from a table #current22

How do you handle nondeterministic results? #Current22

#Current22 materialise what is nondeterministic

Five challenges for streaming, and their proposed solutions in SQL #current22