The third form of the CREATE TABLE statement stores the results of any query-expression in a table and does not display the output. It is a convenient way to create temporary tables that are subsets ...

By using the nomenclature #localtable or ##globaltable SQL Server knows to create a table in TempDB. If you use a local temp table, it is only available for your current session.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

LibreOffice contains a very powerful database tool that is actually quite user friendly. Here's how to create a database query using the Design View tool.

If screaming speed in data access is the most important thing in your life, SQL Server's durable in-memory, memory-optimized tables are your answer. They were good in SQL Server 2014 and they're even ...