SQL remains the foundation for turning raw records into reports and business insights across industriesCore queries like ...

The WHERE clause here filters on the ProductID 1, which is the ID of the product Oranges. Now if you add the measures ‘Pear Sales’ and ‘Grapes Sales’ to the table visual: …and run the query in DAX ...

The error “Column is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause” occurs in SQL when a SELECT ...

You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of your ...

Abstract: The objective of this paper is to derive a tight and efficient lower bound for the minimum sum coloring problem. This NP-hard problem is a variant of the classical graph coloring problem ...

Wondering how to sum a column in Excel? This question has been asked by thousands of students around the world. Whether you’re a beginner or an experienced user, learning different ways to sum up a ...

Sometimes social revolutions emerge from ordinary ideas. In the 17th and 18th centuries, thinkers like William Petty, David Hume and Adam Smith popularized a concept called “division of labor.” It’s a ...

Kudos on adding the aggregate functionality on the repository API. However, I find it quite expensive having to execute multiple queries to perform aggregations of different columns. It would be nice ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...