你必须有参数目录的修改权限，否则在改变参数时MATLAB会在命令窗提示一个错误。
You must have write access to the preferences directory, or MATLAB generates an error in the Command Windowwhen you try to change preferences.
要创建一个名为“student”的表，请在命令窗格中输入此命令，并单击Execute按钮。
To create a table called "student", enter this command in the command pane and click on the Execute button.
要创建一个名为“student”的新数据库，请在命令窗格中输入此命令，并单击Execute(绿色箭头)按钮。
To create a new database called "student", enter this command in the command pane and click the Execute (green arrow) button.
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