Abstract: This letter investigates the problem of composing multiple control barrier functions (CBFs)—and matrix control barrier functions (MCBFs)—through logical and combinatorial operations.

Google has updated the review snippet documentation to explain that site owners should avoid using multiple ways of indicating what's being reviewed, the search company announced. This is to make it ...

Abstract: Aggregation functions such as COUNT, SUM, AVG, MAX, and MIN are basic tools for summarizing data in SQL. However, their behavior can be affected by several factors such as the occurrence of ...

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 ...

SELECT [From], DATEADD(MINUTE, 1, [To]) [To], payload FROM ( SELECT dt, MIN(dt) OVER(ORDER BY dt ROWS BETWEEN 4 PRECEDING AND CURRENT ROW) [From], dt [To], SUM(payload) OVER(ORDER BY dt ROWS BETWEEN 4 ...

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 ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Even if generative AI hides SQL behind the curtain, it will continue to play a critical role in how we interact with and use data. In May 1974, Donald Chamberlin and Raymond Boyce published a paper on ...