关于“Troubleshooting and Solving Data Join Pitfalls v1.5”的评价

gerda c. · 评论over 1 year之前

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Eric H. · 评论over 1 year之前

How we got more than 2000rows in the first query while we just got about 1909 rows in the second one? Asking this because in both queries , DISTINCT keyword was used.

Jishnu G. · 评论over 1 year之前

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Tina T. · 评论over 1 year之前

could have used a little more time on this one. Felt rushed towards the end but was much better than other labs in this track.

Patrick B. · 评论over 1 year之前

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