使用MySQL命令行，如何在Select语句中仅显示日期或金额（十进制）列？

I am new to SQL and I realize I have a lot to learn. I am in the midst of converting a set of ISAM files into MySQL tables. Some of the tables I am creating have hundreds of columns. To make it easier to see if my conversions are working properly, I would like to display only a subset of columns at a time in my SELECT results.I am new to SQL and I realize I have a lot to l