w
MySQL :: MySQL 5.7 Reference Manual :: 9.2.1.19 Avoiding Full Table Scans
https://dev.mysql.com/doc/refman/5.7/en/table-scan-avoidance.html
w
MySQL :: MySQL 5.7 Reference Manual :: 9.2.1.19 Avoiding Full Table Scans
https://dev.mysql.com/doc/refman/5.7/en/table-scan-avoidance.html