In earlier versions, the set of object classes was fixed, and could only be enhanced via the use of ordinary procedural languages like C . The new language, which runs in its own IDE, is a departure from the transitional x-talk paradigm in that it permits typing of variables.
42.
Recently, with the availability of massive computing power, there has been a resurgence of mutation analysis within the computer science community, and work has been done to define methods of applying mutation testing to object oriented programming languages and non-procedural languages such as XML, SMV, and finite state machines.
43.
The OpenMFG application make heavy use of Postgres'embedded procedural language, called PL / pgSQL . Whenever any kind of transaction is taking place in the system-a financial account being credited or debited, a piece of inventory being moved, or an order being taken-that is happening in a Postgres stored procedure, trigger, or function.
44.
Note ( 1 ) : Both "'function "'and "'procedure "'refer to internal routines written in SQL and / or procedural language like PL / SQL . "'External routine "'refers to the one written in the host languages, such as C, Java, Cobol, etc . " Stored procedure " is a commonly used term for these routine types.
45.
The SQL : 1999 part 4 covered less than the original PSM-96 because the SQL statements for defining, managing, and invoking routines were actually incorporated into part 2 SQL / Foundation, leaving only the procedural language itself as SQL / PSM . The SQL / PSM facilities are still optional as far as the SQL standard is concerned; most of them are grouped in Features P001-P008.
