
ПЗ-13 Oracle
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Easy
Азамат Кальпебаев
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой SQL-запрос используется для извлечения уникальных значений из столбца department таблицы employees?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой оператор SQL используется для изменения структуры существующей таблицы?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой SQL-запрос вернет количество строк в таблице orders?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой оператор SQL используется для объединения результатов двух запросов?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой SQL-запрос выбирает все записи из таблицы employees, где значение в столбце salary больше 50000?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой оператор SQL используется для удаления таблицы из базы данных?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой SQL-запрос выбирает все записи из таблицы employees, отсортированные по убыванию зарплаты?
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