The RIGHT JOIN: Matching records plus orphans from the right When you execute a query using the RIGHT JOIN syntax, SQL does two things: It returns all of the records from both tables that contain ...

A join combines two or more tables side by side. If you do not specify how to join the tables, you get a Cartesian product. This means that SQL combines each row from the first table with every row ...

How to Reindex SQL Tables. The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can ...

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...