SQL vs. Pandas: Leetcode 1378 Replace Employee ID with the unique identifier (LEFT JOIN vs. MERGE)
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YouTubeDataHead Girl
SQL vs. Pandas: Leetcode 1378 Replace Employee ID with the unique identifier (LEFT JOIN vs. MERGE)
In this video, we tackle "Replace Employee ID With The Unique Identifier" (LeetCode 1378), a fundamental question for testing your understanding of Table Joins. The Challenge: We need to match employees to their unique IDs. But here is the catch—not every employee has a unique ID! If you use a standard INNER JOIN, you lose data. I show you ...
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