修改鼠标样式/MySQL#1075

一,修改鼠标的样式

1,this.Cursor = System.Windows.Forms.Cursors.Hand;
2,this.Cursor = new Cursor(“鼠标样式文件的路径“);

二,MySQL 新建表的时候报错:

#1075 – Incorrect table definition; there can be only one auto column and it must be defined as a key

解决办法是将自增的字段设置成为主键

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