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@mattm
Last active April 23, 2017 18:36
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Charges with Subquery
SELECT *, ROUND(amount / (SELECT SUM(amount) FROM charges) * 100) AS percent
FROM charges
+----+--------+---------+
| id | amount | percent |
+----+--------+---------+
| 1 | 18.00 | 30 |
| 2 | 15.00 | 25 |
| 3 | 27.00 | 45 |
+----+--------+---------+
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