Abstract: Databases form an inseparable part of the information systems. They hold the data formed by the data models. Data are operated by the database management system, which takes an interlayer ...

RIGHT JOIN (or RIGHT OUTER JOIN): It’s the opposite of a LEFT JOIN. It keeps all rows from the right table and matches from the left. Less common than LEFT JOIN, but good to know it exists.

Shutdowns remind us that uncertainty is not an aberration; it is a constant. They expose vulnerabilities, but they also give us an opportunity to rethink how we approach disruption -not just react to ...

Eighteen months ago, I wrote my first column for HSToday, “Five Challenges Facing Emergency Management,” identifying issues such as burnout, workforce development, climate change, public trust, and ...