The Oracle ProC Precompiler is a programming tool written in Pro*C, an embedded SQL programming language. This application allows users to embed high-level source program statements as well as allows users to use the SQL power and flexibility in an application program so that Oracle can be accessed by the user’s application directly through a user-friendly and convenient interface. This application is responsible for the creation of highly-customized applications as well as this application is also responsible for fine-tuning applications. With this, users can closely monitor the use of resource, the execution of SQL statement and different kinds of runtime indicators. This precompiler also performs the function of embedding SQL statements, so users can save time as they are spared of the hassle of performing this function manually. Because of the fact that this application uses the PL/SQL programming language, it is guaranteed to produce better performance. This application also has a variety of features such as runtime diagnostics, Dynamic SQL, PL/SQL support, Separate Precompilation, Array Operations, and a lot more.