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32 . Проверка агрегатов — функция суммы - [ Revising Aggregations - The Sum Function] ( ./tasks/32.md )
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33 . Проверка агрегатов — функция среднего значения - [ Revising Aggregations - Averages] ( ./tasks/33.md )
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34 . Станция наблюдения за погодой 2 - [ Weather Observation Station 2] ( ./tasks/34.md )
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+ 35 . Станция наблюдения за погодой 13 - [ Weather Observation Station 13] ( ./tasks/35.md )
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## В процессе... , будет дополнено)
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<img src =" ./art/35.png " alt =" solution " >
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#### eng:
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+ Query the sum of Northern Latitudes (LAT_N) from STATION having values greater than .. and less than .. . Truncate your
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+ answer to decimal places.
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+ Input Format
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+
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+ The STATION table is described as follows:
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#### рус:
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+ Запросите сумму северных широт (LAT_N) из STATION со значениями больше .. и меньше .. . Сократите свой ответ до
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+ десятичных знаков.
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+
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+ Формат ввода
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+ Таблица STATION описывается следующим образом:
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#### код с коментариями:
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``` sql
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-
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+ SELECT /* выбрать данные */
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+ ROUND(SUM (LAT_N), 4 ) /* столбец округленное значение суммы */
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+ FROM STATION /* из таблицы */
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+ WHERE /* где */
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+ LAT_N > 38 .7880 AND /* условие 1 и */
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+ LAT_N < 137 .2345 /* условие 2 */
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```
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#### код для hackerrank:
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``` sql
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-
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+ SELECT
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+ ROUND(SUM (LAT_N), 4 )
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+ FROM STATION
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+ WHERE
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+ LAT_N > 38 .7880 AND
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+ LAT_N < 137 .2345
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```
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+ SELECT
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+ ROUND(SUM (LAT_N), 4 )
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+ FROM STATION
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+ WHERE
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+ LAT_N > 38 .7880 AND
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+ LAT_N < 137 .2345
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