Materialized view — A materialized view is a database object that contains the results of a query. They are local copies of data located remotely, or are used to create summary tables based on aggregations of a table s data. Materialized views, which store data… … Wikipedia
Materialized View — Eine View (deutsch Sicht) ist eine logische Relation (auch virtuelle Relation oder virtuelle Tabelle) in einem Datenbanksystem. Diese logische Relation wird über eine im Datenbankmanagementsystem (DBMS) gespeicherte Abfrage definiert. Der… … Deutsch Wikipedia
Materialized path — A materialized path is a technique for encoding a tree in a flat data structure. This is often used in relational databases due to single queries returning entire trees as opposed to recursive queries being needed. External links Discussion on… … Wikipedia
Commitment ordering — In concurrency control of databases, transaction processing (transaction management), and related applications, Commitment ordering (or Commit ordering; CO; (Raz 1990, 1992, 1994, 2009)) is a class of interoperable Serializability techniques … Wikipedia
Serializability — In concurrency control of databases,[1][2] transaction processing (transaction management), and various transactional applications (e.g., transactional memory[3] and software transactional memory), both centralized and distributed, a transaction… … Wikipedia
Материализация — Профессор Уильям Крукс и материализованный фантом «Кэти Кинг». Медиум Флоренс Кук лежит на полу. Фотоснимок 1874 года Материализация в оккультизме, парапсихологии и спиритуализме феномен, характеризующийся возн … Википедия
Database — A database is an organized collection of data for one or more purposes, usually in digital form. The data are typically organized to model relevant aspects of reality (for example, the availability of rooms in hotels), in a way that supports… … Wikipedia
Comparison of relational database management systems — Programming language comparisons General comparison Basic syntax Basic instructions Arrays Associative arrays String operations … Wikipedia
Katie King (spirit) — Katie King was the name given by Spiritualists in the 1870s to what they believed to be a materialized spirit. The question of whether the spirit was real or a fraud was a notable public controversy of the mid 1870s.The spirit was said to have… … Wikipedia
View (database) — In database theory, a view consists of a stored query accessible as a virtual table in a relational database or a set of documents in a document oriented database composed of the result set of a query or map and reduce functions. Unlike ordinary… … Wikipedia
