MySQL 8.0.1: [Recursive] Common Table Expressions in MySQL (CTEs), Part Four – depth-first or breadth-first traversal, transitive closure, cycle avoidance

(Guilhem Bichot) CTEs and Recursive CTEs appeared in MySQL 8.0; first in a Labs release and now in the official release 8.0.1. Several blogs have been published: here, here and here ; my colleague Øystein also wrote about how using a CTE made one DBT3 query run twice faster.

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