https://www.percona.com/blog/mysql-5-7-utf8mb4-and-the-load-data-infile/
How MySQL 5.7 Handles UTF8MB4 and the Load Data infile - Percona
May 5, 2026 - In this post, I'll discuss how MySQL 5.7 handles UTF8MB4 and the load data infile.
load data infilemysql 5