updated answer to question #5 #14
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First line should be: SELECT name, CONCAT(ROUND((population/(SELECT population FROM world WHERE name = 'Germany') * 100), 0), %) Need to multiply population/(germany population) by 100 to round to the percentages required for the correct answer SQL ZOO.
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First line should be:
SELECT name, CONCAT(ROUND((population/(SELECT population FROM world WHERE name = 'Germany') * 100), 0), %)
Need to multiply population/(germany population) by 100 to round to the percentages required for the correct answer SQL ZOO.