outer join
41Interrogation par l'exemple — Query By Example Query By Example ou QBE, c est à dire « interrogation par l exemple », est un langage de requête concurrent à SQL, destiné aux bases de données relationnelles. Sommaire 1 Particularités 2 Exemple 2.1 Requête QBE …
42Query By Example — L interface QBE de Kexi Query By Example (abr. QBE, en français interrogation par l exemple), est un type d interface utilisateur servant à effectuer des recherches dans des bases de données relationnelles. Le principe d une interface QBE est que …
43NULL (SQL) — У этого термина существуют и другие значения, см. NULL. NULL в Системах управления базами данных (СУБД) специальное значение (псевдозначение), которое может быть записано в поле таблицы базы данных (БД). NULL соответствует понятию «пустое поле»,… …
44NoSQL (RDBMS) — This article is about a specific relational database management system. For for a class of non relational database management systems, see NoSQL. NoSQL is a shell based relational database management system that runs under Unix like operating… …
45Mongolia during Qing rule — Outer Mongolian 4 aimags and Inner Mongolian 6 leagues ← …
46international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
47List of algebraic structures — In universal algebra, a branch of pure mathematics, an algebraic structure is a variety or quasivariety. Abstract algebra is primarily the study of algebraic structures and their properties. Some axiomatic formal systems that are neither… …
48digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
49Outline of algebraic structures — In universal algebra, a branch of pure mathematics, an algebraic structure is a variety or quasivariety. Abstract algebra is primarily the study of algebraic structures and their properties. Some axiomatic formal systems that are neither… …
50Apollo 11 Goodwill Messages — The Apollo 11 Goodwill Messages [ [http://history.nasa.gov/ap11 35ann/goodwill messages.html Apollo 11 Goodwill Messages at NASA] ] are statements from leaders of 73 countries around the world on a disc about the size of a 50 cent piece made of… …
