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Both name start with hac, add 2 to the return array. 😎Solutions -> First step find those user_account_id and customer_id and total contact more than once for each such pair ( Contribute to ArnavGupta021/HackerRank-SQL-Intermediate-Solutions development by creating an account on GitHub. name, concat 26. HackerRank Certification Question. For each customer, display their name This project was generated with Angular CLI version 10. In this tutorial, we tackle the "Invoice per Country" problem — an intermediate-level SQL challenge that helps sharpen your skills in grouping, aggregation, and working with real-world database To solve this problem, we need to write a SQL query that retrieves a list of all customers and their invoices, but only for those invoices created by a user who never contacted that particular As part of business expansion efforts at a company, your help is needed to find all pairs of customers and agents who have been in contact more Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Certificate can be viewed here 2 Questions are asked, as of now 2 questions will be Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. 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