Active Query Builder .NET Edition - Version 1.5 Active Query Builder is a visual SQL query builder .NET component that allows your end-users to build complex SQL queries via an intuitive visual query building interface easily. It is a perfect choice for both SQL beginners and experienced query writers. Active Query Builder renders all SQL features, such as sub-queries and unions, very easy to accomplish and provides the professional user with everything he or she needs to efficiently work with queries. The interface of Active Query Builder is similar to MS Access and SQL Server’s visual query building interface, so it is already familiar to most database users. Active Query Builder practically eliminates mistakes when writing SQL queries while achieving almost instant results. By embedding Active Query Builder into your product, you can make it easy for beginners and provide a powerful tool for professionals.