SQL 68 SQL (Computer program language) 20 Relational databases 14 Computer science 8 MySQL 8 Database management 7 Oracle 7 SQL server 7 Databases 6 PHP 5 PHP (Computer program language) 5 Database design 4 Database 3 Design 3 Web site development 3 Client/server computing 2 Computers-- BASIC-- COBOL-- FORTRAN-- C-- SQL-- ORACLE-- DOS--CPM-- UNIX-- Library Network-- Digital Library-- Internet-- Telecommunications-- Information Services-- 2 DBMS 2 Data mining 2 Database management systems 2 Database-Postgre SQL 2 JAVA 2 MySQL (Electronic resource) 2 Object - oriented databases 2 PL/SQL 2 PL/SQL (Computer program language) 2 Powerscript 2 Relational database 2 SQL (Langage de programmation) 2 SQL Server 2