If you need to build a user interface atop a database, you need PowerBuilder, an OOP (Object Oriented Programming) system that gives you flexibility and keeps you ahead of the development curve. You can display, edit and create data from a database using a DataWindow that provides many tools to make your task faster and easier. In some ways, the DataWindow frees you from having to compensate for differences between databases and it's updated automatically so you don't have to do that particular chore.
PowerBuilder offers an SQL painter that supports unions, sub-query and outer joins operations and can convert SQL to Visual and back. PowerBuilder also has strong database connectivity, offering native interfaces to major databases. Its applications easily support multiple databases and it has a number of connectivity options.
PowerBuilder applications outperform much of the competition, especially the speed with which it can retrieve data and display it. Updates are simple to code and run very quickly. It has many good features such as Embedded SQL, a convenient and easy method of doing a simple update. PowerBuilder supports visible and non-visible Active-X and OCX controls and works very well with Third-party libraries in DLL files. It has an integrated debugger, performance profiling built in and a very active newsgroup if you need support.
PowerBuilder is a powerhouse for quick development of large applications that have enterprise-level databases.
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WaveMaker 
