Calculated field in an Access query
In Excel, calculations are performed on values contained in cells or cell ranges using cell or range references. In the…
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In Excel, calculations are performed on values contained in cells or cell ranges using cell or range references. In the…
A simple Access Select query is the primary method for returning records from a database table. In a real-world database,…
In the process of refactoring some MySQL queries in some PHP code, I came across some interesting syntax for field…
In Grade 12 one of the most advanced skills you will learn is how to aggregate data using a query.…
To actually change the values in the records in your table you can run an UPDATE Query against the table.…
OK so now you must tread lightly! DELETE queries are destructive — there is no “undo”! The Golden Rule is:…
I got this question as part of a skills evaluation test. It requires a query to aggregate data from 2…