|1633|[Percentage of Users Attended a Contest](https://leetcode.com/problems/percentage-of-users-attended-a-contest/)|[Solution](../master/database/_1633.sql)|| Easy|

|1623|[All Valid Triplets That Can Represent a Country](https://leetcode.com/problems/all-valid-triplets-that-can-represent-a-country/)|[Solution](../master/database/_1623.sql)|| Easy|

|1607|[Sellers With No Sales](https://leetcode.com/problems/sellers-with-no-sales/)|[Solution](../master/database/_1607.sql)|| Easy|

|1571|[Warehouse Manager](https://leetcode.com/problems/warehouse-manager/)|[Solution](../master/database/_1571.sql)|| Easy|

|1587|[Bank Account Summary II](https://leetcode.com/problems/bank-account-summary-ii/)|[Solution](../master/database/_1587.sql)|| Easy|

|1581|[Customer Who Visited but Did Not Make Any Transactions](https://leetcode.com/problems/customer-who-visited-but-did-not-make-any-transactions/)|[Solution](../master/database/_1581.sql)|| Easy|

|1543|[Fix Product Name Format](https://leetcode.com/problems/fix-product-name-format/)|[Solution](../master/database/_1543.sql)|| Easy|

select nameas warehouse_name,sum(units* Width* Length* Height)as volumefrom Warehouse wleft join Products ponw.product_id=p.product_idgroup by name;