Doing PHP project with MySQL database, I usually meet the problem with duplicate rows value. In the optimization process, I just want to delete all of rows except the first one. I see we have 2 options here: Read More »
Doing PHP project with MySQL database, I usually meet the problem with duplicate rows value. In the optimization process, I just want to delete all of rows except the first one. I see we have 2 options here: Read More »