For Data Engineer interview, where do we get to practice scenario based complex SQL queries?
I have checked out Hacker rank & Leetcode for SQL stuff. But where to get these type of real world questions for practice?
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Given a table that has rows which are of int types, give me the ranges that are missing consecutively.
so if the table has this
Id
——
1
2
3
7
8
10
11
20
you should return
start. end
______. _______
4. 6
9. 9
12. 19
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