Main Page | See live article | Alphabetical index PL/C is a large subset of IBM's PL/I language, designed in the early 1970s at Cornell University. It was intended to be a teaching language, aimed at novice programmers. While removing some of the more complex features of PL/I, it added extensive debugging and error recovery facilities. PL-SQL is a query language used by the Oracle DBMS which adds to SQL standard programming control structures such as loops and if/then statements. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.