Difference of two series in MySQL

Posted by Brian on Stack Overflow See other posts from Stack Overflow or by Brian
Published on 2010-05-17T00:40:52Z Indexed on 2010/05/17 0:50 UTC
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I have a table with the following fields in MySQL: date, Value, Type.

Type can be either exports or imports. I want a query that returns the trade deficit (exports-imports) for each month. Is this possible with a single query?

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Difference of two series in MySQL - Developer IT

Difference of two series in MySQL

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Related posts about mysql

How to remove MySQL completely with config and library files on ubuntu 12.04 gnome 3.0

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Why is there a /etc/init.d/mysql file on this Slackware machine? How could it have gotten there?

mysql: Bind on unix socket: Permission denied

MySQL – Learning MySQL Online in 6 Hours – MySQL Fundamentals in 320 Minutes

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