Translations:MySQL/Startup Guide/141/en

size is how much of data a single field will store. In this case, we'll use 128. This means that the field can have  data that is 128 bytes. You can safely think of this as 128 characters for the time being, though there is a somewhat more technical explanation that the above site will provide you with. Now that we know how we are going to create the table, let's do it.