Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Toby Walters is a financial writer, investor, and lifelong learner.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Lea Uradu, J.D., is a Maryland state ...

Yin and yang, life and death, Clark Kent and Superman. Some concepts are so intertwined that it’s impossible to imagine one without the other. Transaction processing (TP) and relational databases ...

A pending transaction means funds in your account are earmarked and authorized for a specific transaction. However, the transaction isn’t yet fully processed or posted to your account. Read Next: 5 ...