Usually the result code of source code by a compiler is not necessary the best one, and can be improved to run faster or to use less memory. This kind of improvement is done in compiling phase after parsing. Some good techniques in optimization are in folding the constants, elimination of dead...

Database programming languages integrate concepts of databases and programming languages to provide both implementation tools for data-intensive applications and high-level user interfaces to databases. Frequently, database programs contain a large amount of application knowledge which is hidden...