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https://leetcode.com/problems/consecutive-numbers

 

Consecutive Numbers - LeetCode

Can you solve this real interview question? Consecutive Numbers - Table: Logs +-------------+---------+ | Column Name | Type | +-------------+---------+ | id | int | | num | varchar | +-------------+---------+ In SQL, id is the primary key for this table.

leetcode.com

with base as (
    select
        num 
        , lag(num, 1) over (order by id) rn1
        , lag(num, 2) over (order by id) rn2
    from logs
)
select
    distinct num as 'ConsecutiveNums'
from base
where num = rn1 and rn1 = rn2
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