A table, there are 30 floating-point number field, to statistics over a period of time, each field of maximum, minimum, and will get respectively in the time, this how to query, table is very big, a lot of data, for ideas

CodePudding user response:

The Max and min?

CodePudding user response:

It is best to put the table data capture out look

CodePudding user response:

For all the needs of extremum field union all together