This uses a correlated subquery which has the distinct advantage of working in SQL Server, MySQL, PostGres, etc. Star 1 Code Issues Pull requests My HackerRank solutions. The following sections discuss how to use window functions, including descriptions of the OVER and WINDOW clauses. The above is valid syntax for SQL Server and all DBMS that have implemented CTEs. MySQL supports window functions that, for each row from a query, perform a calculation using rows related to that row. In the Select Question Type dialog box, under the Roles-based category, click on Database. Click on the Library tab on the home page and then click on the Create Question button. On the Problem Statement page, specify: A. Steps to Create a Database Engineer Question. Steps to Create a Database Engineer Question. HackerRank supports Microsoft SQL, MySQL, Oracle, and DB2 databases. It will help you learn and understand SQL in a better way. HackerRank supports Microsoft SQL, MySQL, Oracle, and DB2 databases. Here I will try to provide multiple approaches & solutions to the same problem. WHERE department.budget = max_budget.value by Akshay Daga (APDaga) - Ma0 I started studying SQL from a very famous site - HackerRank. You have SELECTMAX instead of SELECT MAX WITH max_budget(value) AS (SELECT MAX(budget) FROM department) This specific question suffers from two issues: The first and already addressed is that CTEs WITH don't exist in mysql. Solution-1: (MySQL Query): SET nooflines 20 + 1 SELECT REPEAT ( ' ', nooflines : nooflines -1) FROM INFORMATIONSCHEMA.TABLES NOTE: The INFORMATIONSCHEMA.TABLES view allows you to get information about all tables and views within a database. This is the SQL Server version but I guarantee whatever logic you're attempting could be simplified if you explained what you were attempting to do versus "code doesn't work" Note, these sql fiddles use the question that was a duplicate of this as it was at least more interesting to answer. To make this work with MySQL, you'll need to rewrite it as derived tables. MySQL doesn't support Common Table Expressions (CTE) so either your mysql tag is incorrect or you've pulled this syntax from nowhere.
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