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Asked by sjaguar13 in MySQL Server
I have a few locations that I take the temperature of every day at noon. They are fairly consistent and each day will be the same as the previous day for the most part. What's the best way to set up the database to keep track of each day and then get the daily average for the month?
I could just do have an entry for every day, but I am looking to increase the number of locations. I could easily get to several thousand. Since the majority of the days will be the same, could I just input the date and the temperature on days where it does not match the previous day? If I had day 1, 15, and 29, that would mean day 1 through 14 were the same, 15 through 28 were the same, and 29-31 were the same.
Doing it that way may save space, but I don't know how I would actually get the daily average. The major problem would be figuring out how many days are in the month. Then I would have to figure out how many days were at each temperature. I don't think I could do all that in one SQL query. Is the amount of space I give up worth it to make the computing easier?
20091111-EE-VQP-92 / EE_QW_1_20070628
