#databases
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Problem description & analysis: Here below is a data table: Task: We want to group the data by Class and calculate the average score of each subject...
Problem description & analysis: Here below is a data table: Task: Rank the students by math score and concatenate the names of students having the...
Problem description & analysis: Here below is a data table: Task: Sort the data (in ascending order) by Class and (in descending order) by...
Problem description & analysis: There is a data table: Task: Find out the whole-row data that are not duplicate and the first duplicate whole-row...
Problem description & analysis: There is a data table: Task: Find out the data that are not duplicates and the first duplicate data in the Name...
Problem description & analysis: There is a data table: Task: We want to duplicate the data. Solution: Use SPL XLL and enter the following...