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.

Many small businesses use databases to hold customer data, such as addresses and contact numbers, or financial information such as banking records. SQL, or Structured Query Language, is used to ...

Scientists fear warming is driving a collapse in the ocean currents that shape climate far and wide. The ice-choked waters off Greenland might hold the key. By Raymond Zhong and Esther Horvath Mr.

Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated history of working in both institutional and retail environments, from broker-dealers to ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...