Whats's the difference between C & Visual FoxPro

VFP is a RDBMS ( Relational Database Management System ) tool. It provide the functions to create DB, table, DDL (Data Definition Language), DML (Data Manipulation Language) and support SQL ( Structure Query Language ) and other DBMS function ( triggers, constraint ... )

C is a Programming Language which can develop a RDBMS with a large size modules. The early version of FoxPro is developed by C.