
Күрделі сүраныстар
Quiz
•
Information Technology (IT)
•
University
•
Practice Problem
•
Hard
Айнур Искакова
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SQL-де қай оператор бірегей мәндерді шығару үшін қолданылады?
ORDER BY
DISTINCT
WHERE
JOIN
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SQL-дің қандай операторы сұрыптау үшін қолданылады?
GROUP BY
ORDER BY
SELECT
HAVING
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SQL-де GROUP BY не үшін қажет?
Кестелерді біріктіру үшін
Деректерді сұрыптау үшін
Деректерді топтау үшін
Жазбаларды жою үшін
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HAVING операторы қай жағдайда қолданылады?
WHERE фильтрлеуге балама
GROUP BY-мен бірге топталған деректерді сүзгілеу үшін
JOIN-ды алмастырады
DISTINCT-пен бірге жұмыс істейді
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Әр өндірушінің ең төменгі бағасын шығаратын SQL командасын шығарыңыз
SELECT Brand, MIN(price) AS min_price
FROM Products
GROUP BY Brand;
SELECT Brand, MAX(price) AS max_price
FROM Products
GROUP BY Brand;
SELECT Brand, AVG(price) AS sred_price
FROM Products
GROUP BY Brand;
SELECT Brand, sum(price)
FROM Products
GROUP BY Brand;
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