Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on ZetaSQL

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

ZetaSQL is a customized SQL dialect, along with parser and analyzer, that Google uses for products like BigQuery and Spanner.

unnest

cross join if an implicit join is used. Notice that …

Unified SQL Syntax

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Trino

Trino is a distributed SQL query engine for big data. It is formerly known as PrestoSQL.

ZetaSQL

ZetaSQL is a customized SQL dialect, along with parser and analyzer, that Google …