Partitioning

SQL Query to Find Most Recent Date for Each Unique Value in a Table
AskAI

This technical problem deals with writing a SQL query to find the most recent date for each unique value in a table. The table given in the example has two columns, one for dates and one for unique values. The expected output is also given in the example.

117
AI Databases / SQL
Nov 18
The customer who has placed the most orders.
AskAI

Given a list of customer names and corresponding orders, this SQL query will find the customer who has placed the most orders.

192
AI Databases / SQL
Nov 09
Find all rows where value in column 2 is greater than value in column 1
AskAI

This query will find all the rows in a table where the value in the second column is greater than the value in the first column.

112
AI Databases / SQL
Oct 26
Get the Top 3 Most Expensive Items in Each Category
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This technical problem involves writing a SQL query that returns the top 3 most expensive items in each category.

154
AI Databases / SQL
Oct 25