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RAD Tool and IDE for PHP, JSP, ASP, C++ and Java Swing
The interface supports drag and drop HTML components, javascript and scriptlet events, and generate a very fast code, with no additional softwares layers or libraries.
You can put your libraries, like jQuery. The generated code works with all browsers.
You can create and debug Applets or Java Swing applications easily with the Visual Editor of the tool. Build C++ applications.
Relational Algebra is a very important formal language associated with relational databases. This is why most of the universities have Relational Algebra as an integral part of their database management courses.
But unfortunately, most of the traditional relational DBMS software tools support Structured Query Language (SQL) only. For a student it is very difficult to know whether a relational algebra query written on paper is correct or not. Also as an instructor it is difficult to...
lib4d_sql is a C library providing the required functions (connect, prepare, execute, ...) to write a SQL client for 4D databases. It uses the public 4D SQL protocol wich is supported by 4D products since... the version 11. It is already used by the PDO_