Data
Find Customers Who Have Purchased Both Product A and Product B
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This technical problem deals with finding customers who have purchased both Product A and Product B from a database. An example input and output is given.
Permutation Check
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Given two strings, this function will check if one is a permutation of the other.
Finding matching rows in two tables
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Given two tables, A and B, this SQL query will find all pairs of rows where the values in the columns match.
Customers with orders over $1000
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This technical problem involves writing a SQL query to find the names of customers who have placed orders with a value greater than $1000.
Two Sum
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The "Two Sum" problem is a code problem in the "Data Structures and Algorithms" category. Given an array of integers, the goal is to return the indices of the two numbers that add up to a specific target. For example, given nums = [2, 7, 11, 15] and target = 9, the solution would be to return [0, 1] because nums[0] + nums[1] = 2 + 7 = 9.
Length of longest substring without repeating characters
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This problem asks for the length of the longest substring without repeating characters. For example, given the string "abcabcbb", the answer would be 3, since the substring "abc " has a length of 3.
SQL Query to Find Customers with Orders Greater than $1000
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This technical problem deals with writing a SQL query to find customers who have placed orders with a total value greater than $1000.
