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От: |
LuciferArh
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| Дата: | 21.07.12 19:23 | ||
| Оценка: | |||
Z>SELECT DISTINCT maker
Z>FROM Product INNER JOIN
Z>PC ON speed>450 AND PC.model = Product.model
Z>SELECT DISTINCT maker
FROM Product
INNER JOIN PC ON PC.model = Product.model
WHERE speed > 450