OK, but if they are the same there would be no need for 2 different types under PostgreSQL database. According to the post link provided, decimal is more flexible allowing to store less decimal as opposed to numeric which requires all decimal places to be filled in. This means that using decimal I could stored the numbers 12345.12345 as well as 12345.12. In the other hand, numeric would only accept 12345.12345 or 12345.12000 if I understood it right.
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