IntermediateLesson 11 of 1335 min · hands-on
EXPLAIN and Query Tuning
Part of the MySQL course
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Start this lessonEXPLAIN and Query TuningWhat you'll learn
- EXPLAIN
- Type column (ALL, ref, range, eq_ref, const)
- Key and rows columns
- EXPLAIN ANALYZE (MySQL 8+)
- Adding a missing index
- Slow query log