Understanding Sqlzoo Select In Select 2
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List the name and continent of countries in the continents containing either Argentina or Australia. Order by name of the country. Andrew Cumming demonstrates how to calculate the population of European countries as a percentage of Germany's population. The tutorial covers dividing by a subquery, multiplying to find the percentage, and using the concat function to format the final output with a percentage symbol. Okay I want to take you through some of these
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