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This article is pure garbage. Here are some of its sins: * It says that SQL was introduced in 1974 and could be used for web applications (the web was invented in 1989). * Then it calls AI “Artistical Intelligence”. * And it never even talks about the topic of its title: what’s next for SQL.
It is hard to master, but that goes for pretty much any skill.
Earlier quoted context omitted.
Absolutely not. For example, there is literally nothing at all in common between a Postgres query and a Clickhouse query except some very basic surface-level syntax. (And even then lots of things are incompatible, e.g., count(*) vs count())
You don't have to write `count()` in ClickHouse - `count(*)` is also ok. ... while `count()` makes more sense from the engineering perspective: it is an aggregate function that takes zero number of arguments. I personally prefer `count()`, but when my friends write `count(*)` or even `COUNT(*)`, they are still my friends.
[0] https://clickhouse.com/docs/en/sql-reference/aggregate-funct...