Acronym for Structured Query Language or maybe Ssimple Query Language (noone is quite certain). Or, by consensus here, Stupid Query Language.
SQL is a set-centeric ProgrammingLanguage in which statements are excuted over a Schema of relations (tables) and return a set of results.
AddToMe: Someone should explain the general syntax of SQL here.
SELECT cols FROM tables WHERE condition UPDATE table SET column=value WHERE condition DELETE FROM table WHERE condition INSERT INTO table (columns) VALUES (values)
CategoryProgrammingLanguages, CategorySpecialPurposeProgrammingLanguages