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Commita79914e

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‎README.md

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@@ -1093,6 +1093,7 @@ _If you like this project, please leave me a star._ ★
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|1517|[Find Users With Valid E-Mails](https://leetcode.com/problems/find-users-with-valid-e-mails/)|[Solution](../master/database/_1517.sql)|| Easy|
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|1511|[Customer Order Frequency](https://leetcode.com/problems/customer-order-frequency/)|[Solution](../master/database/_1511.sql)|| Easy|
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|1495|[Friendly Movies Streamed Last Month](https://leetcode.com/problems/friendly-movies-streamed-last-month/)|[Solution](../master/database/_1495.sql)|| Easy|
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|1435|[Create a Session Bar Chart](https://leetcode.com/problems/create-a-session-bar-chart/)|[Solution](../master/database/_1435.sql)|| Easy|
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|1484|[Group Sold Products By The Date](https://leetcode.com/problems/group-sold-products-by-the-date/)|[Solution](../master/database/_1484.sql)|| Easy|
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|1407|[Top Travellers](https://leetcode.com/problems/top-travellers/)|[Solution](../master/database/_1407.sql)|| Easy|
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|1384|[Total Sales Amount by Year](https://leetcode.com/problems/total-sales-amount-by-year/)|[Solution](../master/database/_1384.sql)|| Hard|

‎database/_1435.sql

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-- # Write your MySQL query statement below
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with groupedByas (
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select"[0-5>"as bin,0as minDuration,60*5as maxDuration
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union all
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select"[5-10>"as bin,60*5as minDuration,60*10as maxDuration
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union all
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select"[10-15>"as bin,60*10as minDuration,60*15as maxDuration
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union all
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select"15 or more"as bin,60*15as minDuration,2147483647as maxDuration
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)
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select bin,count(session_id)as totalfrom groupedBy
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left join Sessionson duration>= minDurationand duration< maxDuration
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group by bin;

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