Created
April 24, 2017 01:00
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Comma JOIN
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SELECT id, amount, ROUND(amount / total * 100) AS percent | |
FROM charges, (SELECT SUM(amount) AS total FROM charges) t; | |
+----+--------+---------+ | |
| id | amount | percent | | |
+----+--------+---------+ | |
| 1 | 18.00 | 30 | | |
| 2 | 15.00 | 25 | | |
| 3 | 27.00 | 45 | | |
+----+--------+---------+ |
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