SQL Analyst · LAG

Compare each month to the previous one — customer collections

Compare each month to the previous one using a customer collection data set designed to control the level of detail and discrepancies.

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Compare each month to the previous one — customer collections is part of the complete programme: 20 lessons, 180 verifiable exercises and 8 published guided projects.

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Compare each month to the previous one — customer collections — SQL exercise — SQL.tn