TL;DR: This Retro Mini Keychain Camera is tiny, fully functional, and on sale for $44.99 (reg. $90). Sometimes, the best gifts aren’t the most expensive—they’re the most fun. That’s ...

A primary key is a unique identifier for each record in a database table, making sure no two rows have the same primary key value. This keeps the data clean and easy to work with. In a relational ...

The pharmaceutical value chain model depicted in Figure 1 covers a full range of activities that are required to bring a product from conception to final consumer. The key players in the chain are ...