Recent questions tagged goclasses-da-dpp-day-289

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The database contains relations $\mathrm{animals}$ and $\mathrm{visits}$, with $\mathrm{aid}$ identifying an animal.Which SQL query returns the names of animals that visi...
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Conceptually, in which order does SQL process the following three operations?$\mathrm{WHERE}\rightarrow\mathrm{HAVING}\rightarrow\mathrm{GROUP\ BY}$ $\mathrm{WHERE}\right...
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The $\mathrm{Employee}$ relation contains:$$\begin{array}{|c|c|c|c|} \hline \mathrm{EmployeeNo} & \mathrm{Name} & \mathrm{DateOfBirth} & \mathrm{Department} \\ \hline 000...
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The relation is:$\mathrm{Midterm}(\mathrm{ClassName},\mathrm{SubjectName},\mathrm{StudentNo},\mathrm{Name},\mathrm{Score})$.The objective is to calculate the average scor...
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The relation $\mathrm{ExamResult}$ stores examination records for the previous three years:$\mathrm{ExamResult}(\mathrm{StudentNo},\mathrm{ExamDate},\mathrm{Score},\mathr...
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