1 What is an inner join in SQL? 1 What is an outer join in SQL? 1 What is full join in SQL? 1 What is left join in SQL Server? 1 What is a right join in SQL Server? 1 What is database engine in SQL ...

Here, you will find a number of tools that we use when supporting our customers to help find solutions to problems faster and easier. These tools all run locally and do not use any external services ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Microsoft's relational database engine has had the same licensing model since 2012. The new version released this week brings significant changes that brings SQL Server closer to Azure SQL's licensing ...

Finding the number of distinct customers you had in any given time period, and then finding how many of those have bought from us before and how many are new customers, is a pretty common requirement.