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Solve 80 SQL coding questions and ace your data interview.

Lecture 4.4: LAG, LEAD
ID Title Level Lecture Solved
68 Spend difference between first and second rentals difficult 4.4
69 Number of happy customers difficult 4.4
79 Spend difference between the last and the second last rentals difficult 4.4
80 DoD revenue growth for each store difficult 4.4