Recursive CTE | BestHub

Aikesheng Open Source Community

Jan 21, 2025 · Databases

Understanding MySQL EXPLAIN EXTRA Hints: Impossible, No Matching, Recursive, Rematerialize, and Canned N Databases

This article explains the meaning and optimization strategies for various MySQL EXPLAIN EXTRA hints—including Impossible WHERE/HAVING, No matching rows, Recursive queries, Rematerialize, and canned N databases—provides example execution plans, code snippets, and performance comparisons to help developers write more efficient SQL statements.

EXPLAINMySQLOptimizer Switch

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Understanding MySQL EXPLAIN EXTRA Hints: Impossible, No Matching, Recursive, Rematerialize, and Canned N Databases

Aikesheng Open Source Community

May 19, 2021 · Databases

Using MySQL 8.0 WITH Clause for INSERT, UPDATE, DELETE, Recursive Queries and Data Generation

This article explains how MySQL 8.0's WITH clause can be combined with INSERT, UPDATE, DELETE, recursive common table expressions, multiple CTEs and derived tables to generate data, create date sequences, and simplify everyday SQL programming with practical code examples.

DELETEINSERTMySQL

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Using MySQL 8.0 WITH Clause for INSERT, UPDATE, DELETE, Recursive Queries and Data Generation