In this excerpt from SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL, John L. Viescas and Michael J. Hernandez discuss the LEFT OUTER JOIN vs. the RIGHT OUTER JOIN and offer ...

"I thought LEFT JOIN would keep the data on the left, but the number of records decreased when I added WHERE."When creating ...

When you execute an SQL query, the results do not return quickly.You may have had no issues during development, but the ...