From T-SQL Querying, by Itzik Ben-Gan et al, "Another interesting thing about EXISTS is that, from an indexing selection perspective, the optimizer ignores the subquery’s SELECT list." ...

Aerospike, Inc., a real-time data platform provider, is introducing Aerospike SQL Powered by Starburst, enabling customers to run massively parallel, complex SQL queries on petabyte-scale data stored ...

A few years ago, teams had to write SQL queries and code to extract useful information from large swathes of data. Today, all they have to do is type in a question.

The sql to fetch these rows looks like select name from a_tbl where name not in ("very complex select sql-query" ) If I just execute the "very complex select sql-query" it returns after 2 minutes. But ...

SQL Server does support user-defined data types, but does not support table inheritance per-se. That's not to say you couldn't implement table inheritance with it, you'd just need an auxillary ...