Teaching new Presto performance tricks to the Old-School DBA

I’ve spent much of my career working with relational databases such as Oracle and MySQL, and SQL performance has always been an area of focus for me. I’ve spent countless hours reviewing EXPLAIN plans, rewriting subqueries, adding new indexes, and chasing down table-scans. I’ve been trained to make performance improvements such as:  only choose columns […]

I’ve spent much of my career working with relational databases such as Oracle and MySQL, and SQL performance has always been an area of focus for me. I’ve spent countless hours reviewing EXPLAIN plans, rewriting subqueries, adding new indexes, and chasing down table-scans. I’ve been trained to make performance improvements such as:  only choose columns …

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