MySQL :: MySQL 8.0 Reference Manual :: 8.9.4 Index Hints https://dev.mysql.com/doc/refman/8.0/en/index-hints.html
MySQL :: MySQL 8.0 Reference Manual :: 8.9.3 Optimizer Hints https://dev.mysql.com/doc/refman/8.0/en/optimizer-hints.html#optimizer-hints-index-level