Alex Xu on Twitter: "/1 Want to know the secret to optimizing your SQL queries? Understanding the execution order is key. https://t.co/TmluaJl9wb" / Twitter
![Order of execution of SQL Query in 'complex queries with joins and subqueries' - DQ Courses - Dataquest Community Order of execution of SQL Query in 'complex queries with joins and subqueries' - DQ Courses - Dataquest Community](https://global.discourse-cdn.com/business6/uploads/dataquest1/original/2X/9/96e2e9ce5f45d2860bbe9392557c3b653a8ddef5.png)
Order of execution of SQL Query in 'complex queries with joins and subqueries' - DQ Courses - Dataquest Community
![sql server - What is the execution order of the PARTITION BY clause compared to other SQL clauses? - Stack Overflow sql server - What is the execution order of the PARTITION BY clause compared to other SQL clauses? - Stack Overflow](https://i.stack.imgur.com/djO3c.png)