If you have ever written a complex SQL query involving rankings, running totals, moving averages, top-N records, or comparing rows within the same dataset, chances are you have faced difficult joins, ...

Customer stories Events & webinars Ebooks & reports Business insights GitHub Skills ...

- Real-World Scenarios - Advanced SQL Server Concepts - Execution Plans - Partitioning - Indexing Strategies --- ## Interview Line > I built a complete Microsoft SQL Server learning repository ...

SQL Solution (Example for SQL Server): WITH SplitValues AS ( SELECT Id, TRIM (value) AS val, ROW_NUMBER () OVER (PARTITION BY Id) AS rn FROM YourTable CROSS APPLY STRING_SPLIT (Input, ',') ) SELECT Id ...