Commit 0de581a

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Added tasks 180-182.

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	`1`	`+# Write your MySQL query statement below`
	`2`	`+select distinct num as ConsecutiveNums from`
	`3`	`+(select num, lag(num,1) over() as l1, lag(num,2) over() as l2`
	`4`	`+from Logs) con_thr`
	`5`	`+where num = l1 and num = l2`

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	`1`	`+# Write your MySQL query statement below`
	`2`	`+select a.Name as 'Employee' from Employee a left join Employee b on a.ManagerId=b.Id`
	`3`	`+where a.Salary > b.Salary and a.ManagerId is not null`

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	`1`	`+# Write your MySQL query statement below`
	`2`	`+SELECT Email FROM Person GROUP BY Email HAVING COUNT(Email) > 1;`

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