Tag:char

  • Compare the performance of int, char and varchar in MySQL

    Time:2019-6-21

    There are many paradoxical “rumors” on the Internet, of course, are not malicious. Most of them are developers who are unwilling to take the initiative to study, but believe other people’s words. There are also many rumors about databases, such as “int performance is much higher than char“. I recently conducted a performance test for […]