Overview: SQL remains a core skill for data management across industries in 2026Free courses build fundamentals while paid ...

Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...

A new analysis is one of the first to study whether spacing steps out or consolidating them was linked to better health outcomes. By Simar Bajaj A new study suggests that going on longer walks may ...

The FIND function allows you to find a text string within another. It returns the position at which a character or string begins within another text string. The output of the above function will be 5, ...

A new study found an association between hydroxychloroquine (HCQ) use and early and long-term benefits on kidney function in people with lupus nephritis, (LN, lupus-related kidney disease). HCQ (known ...

Long working hours might not just be bad for you, they could also be altering the structure of your brain, a new study suggests. The research was conducted by two scientists at South Korea’s Chung-Ang ...

It turns out that, like the antennas on an insect or crustacean, a ray uses its tail to sense its environment. The inside of a myliobatid stingray tail is remarkably complex, the scientists learned.

When the Three Mile Island power plant outside Harrisburg sustained a partial nuclear meltdown in March 1979, still the worst nuclear disaster in U.S. history, President Jimmy Carter was uniquely ...

In patients with long COVID, lower pulmonary gas exchange may be associated with impaired cognitive function, according to a new study. In patients with long COVID, lower pulmonary gas exchange may be ...

Individuals in the study are plotted with x-axis being rank of pulmonary gas exchange. The black dots show the pulmonary gas exchange ratio, which in this case is the red blood cell to tissue plasma ...