20. Monthly Transactions I Leetcode | SQL Interview Questions and Answers

Monthly transactions leetcode
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[pavan_jp]

mam do original interview questions really tougher than this? or leetcode easy questions level .

[aaopadhe-it]

SUM(IF(state='approved', 1, 0)) as approved_count
in this line,
But when i take count instead of sum, its showing wrong output (2 dikhara h, instead of 1)... why is that, count bi sahi hona chahiye logic k hisaab se