## Data

##### Get customer info for those living in the same city as customer id 3.

Write a SQL query that returns the name, age, and city of residence for all customers who live in the same city as customer id 3.

214
Mar 11
##### Finding all matching pairs of rows from two tables

Given two tables, A and B, write a SQL query to find all pairs of rows, one from each table, such that the values in the columns match.

185
Mar 11
##### Find all employees who live in the same city as their manager.

This technical problem involves writing a SQL query to find all employees who live in the same city as their manager. Given a table of employee data, the query should return all employees who share a city with their manager. As seen in the example input/output, this should include employees who have a manager in a different city.

207
Mar 11
##### Array Sum

The "Array Sum" problem asks you to find the sum of all the integers in an array. The input is an array of integers, and the output is the sum of all the integers in the array.

196
Mar 10
##### Find All Rows in A with a Matching Row in B

Given two tables, A and B, write a SQL query to find all the rows in A that have a matching row in B.

156
Mar 10
##### Find all rows in Table A that have no matching row in Table B

Write a SQL query to find all the rows in Table A that have no matching row in Table B.

175
Mar 10
##### Find the names of all customers who have purchased products with a price...

This technical problem involves writing a SQL query to find the names of customers who have purchased products with a price greater than \$10. The example input and output are provided.

202
Mar 10
##### Longest Increasing Subsequence in an Array

Given an array of integers, this problem looks for the longest increasing subsequence within that array.

220
Mar 10