Общие > Базы данных
Помогите с MySQL, pls!
tserbis:
Так тоже работает.
mysql> SELECT *, i1/i2 AS ttt FROM t ORDER BY ttt;
+------+------+------+
| i1 | i2 | ttt |
+------+------+------+
| 1 | 5 | 0.20 |
| 2 | 5 | 0.40 |
+------+------+------+
2 rows in set (0.00 sec)
mysql> SELECT *, i1/i2 AS ttt FROM t ORDER BY ttt desc;
+------+------+------+
| i1 | i2 | ttt |
+------+------+------+
| 2 | 5 | 0.40 |
| 1 | 5 | 0.20 |
+------+------+------+
2 rows in set (0.00 sec)
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