Question:
I have two similar tables with monthly data: one holds current year data and the other holds prior year data. How do I combine them to create a rolling 12-month view or table?
Answer:
If I understand your question correctly, you can use UNION to combine the results of two SELECT statements. Here’s an example:
SELECT AccountID, Amount, Month, YearFROM Table1UNIONSELECT AccountID, Amount, Month, YearFROM Table2ORDER BY Year DESC, Month DESC
This will give you a resultset with the information from both years.
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