MySQL (Electronic resource) PHP (Computer program language) 48 SQL (Computer program language) 38 Web site development 30 Design 24 Web sites 20 Apache (Computer file : Apache Group) 18 Database management 11 Web databases 4 Java (Computer program language) 3 Apache 2 Application software 2 Development 2 Food 2 Health aspects 2 Laboratories 2 Management 2 Perl (Computer program language) 2