You often see database fields set to have a magnitude of 255 characters, what is the traditional / historic reason why? I assume it\'s something to do with paging / memory limits, and performance but
360U577509138 2022-05-27 18:57 这个是被叫做盼晴娘，或者扫（望）晴娘的东西！ 用白色的布裹住一个圆形的棉球，然后用绳子系在圆球底部，留下白色的布在圆球下面晃荡。圆球的面上画着眼睛和嘴，看上去颇可爱
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