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The question is asking about using joins and group by in data analysis.
Joins are used to combine data from multiple tables based on a common column.
Group by is used to group rows based on a specific column and perform aggregate functions on the grouped data.
Joins and group by are commonly used together to analyze data from multiple tables.
Examples of joins include inner join, left join, and right join.
Examples of aggre...
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Its a pseudocode of data structures and c
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