Learn how the reverse COUNTIFS method can simplify data checks, save time, and enhance your Excel skills with binary outputs.

VLOOKUP has been the go-to function for looking up data in Excel for years, but it comes with limitations. You can only ...

Use Excel for web or the Excel for Microsoft 365 desktop app for the latest Excel features, including the newest dynamic ...

Hi, I have started using duckdb ui and i have question on the right side menu that is being displayed when a sql query is executed. When I run a simple query select * from table, it quickly shows me ...

Researchers at Renmin University of China have completed a comprehensive survey to date of methods for quickly and accurately counting the number of unique items in large datasets, a task vital to ...

The COUNT DISTINCT in SQL has always been relatively slow. De-duplication is essentially a grouping operation that requires retaining all the traversed grouping field values for subsequent comparisons ...

Q. Could you explain how the UNIQUE function works in Excel? A. Excel’s UNIQUE is a dynamic array function that can be an essential tool for data analysts and accountants. This function allows users ...

The INDEX function in Excel is used to get the value of a cell from a table when you specify the row and column numbers. In contrast the MATCH function provides the position of a cell in an array that ...

One of the most common tasks in data analysis is counting unique entries within a dataset. This process can be time-consuming and prone to errors when done manually, but Excel 365 offers a solution ...

To count distinct values in Excel, you need to add the unique values with the first of the duplicate value. Although it sounds complicated, you will see that there are a few simple formulas to apply ...

Business issues such as incorrect transactions, data entry errors, technical glitches and poor system design may cause duplicate values in your data sets. Duplicate values can exist across rows or in ...