HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...

What if mastering a handful of Excel functions could save you hours each week, eliminate frustrating errors, and even make you the go-to problem solver in your office? It’s not just a bold claim—it’s ...

Sydney Wurdeman turned to Medicaid at a fragile point in her life, and now the program is looking fragile itself. After months of consecutive nights with no sleep, or two hours at most, the Omaha, Neb ...

While the PIVOTBY function can only reference source data in Excel, if you create a PivotTable in Excel 2016 or later or Excel for Microsoft 365, you can choose to pull in data from an external source ...

Cryptographic hash functions secure data by providing a unique fixed-length output for each input. These functions are essential in blockchain for data integrity and secure transactions. Understanding ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...

As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...

Oracle SQL Developer is a great tool for managing Oracle Databases. It has a user-friendly interface that makes it easier to handle database tasks. The software offers features to simplify workflows ...