{"id":88105,"date":"2020-07-12T13:42:29","date_gmt":"2020-07-12T11:42:29","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-postgresql-podgotovleno-dopolnenie-age-dlya-hraneniya-dannyh-v-forme-grafa"},"modified":"2020-07-12T13:42:29","modified_gmt":"2020-07-12T11:42:29","slug":"dlya-postgresql-podgotovleno-dopolnenie-age-dlya-hraneniya-dannyh-v-forme-grafa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/dlya-postgresql-podgotovleno-dopolnenie-age-dlya-hraneniya-dannyh-v-forme-grafa","title":{"rendered":"F\u00fcr PostgreSQL wurde das AGE-Add-on zur Speicherung von Daten in Form von Graphen entwickelt.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>F\u00fcr PostgreSQL <noindex><a rel=\"nofollow\" href=\"https:\/\/www.postgresql.org\/about\/news\/2050\/\">eine L\u00f6sung<\/a><\/noindex> die Erweiterung AGE (AgensGraph-Extension) mit Implementierung der Abfragesprache <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencypher.org\/\">openCypher<\/a><\/noindex> f\u00fcr die Manipulation von S\u00e4tzen miteinander verbundener hierarchischer Daten, die ein Graph bilden. Anstelle von Spalten und Zeilen verwenden graphorientierte Datenbanken eine struktur\u00e4hnliche Netzwerkstruktur \u2013 es werden Knoten, deren Eigenschaften und die Beziehungen zwischen den Knoten definiert. AGE <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnine-oss\/AgensGraph-Extension\">wird unter der GPLv3-Lizenz bereitgestellt.<\/a><\/noindex> wird unter der Lizenz Apache 2.0 verbreitet, wurde von Bitnine unter die Schirmherrschaft der Apache-Stiftung \u00fcbergeben und befindet sich derzeit im Apache-Inkubator. <\/p>\n<p>Das Projekt entwickelt das Datenbankmanagementsystem <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnine-oss\/agensgraph\">AgensGraph<\/a><\/noindex>, das <noindex><a rel=\"nofollow\" href=\"http:\/\/bitnine.net\/documentations\/quick-guide-1-3.html\">stellen<\/a><\/noindex> eine modifizierte PostgreSQL-Version f\u00fcr die Verarbeitung von Graphen darstellt. Ein entscheidendes Merkmal ist die Implementierung von AGE als universelle Erweiterung, die als Erg\u00e4nzung zu den Standardversionen von PostgreSQL fungiert. Die k\u00fcrzlich ver\u00f6ffentlichte Version <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnine-oss\/AgensGraph-Extension\/releases\/tag\/v0.2.0\">Apache AGE 0.2.0<\/a><\/noindex> unterst\u00fctzt die Verwendung von PostgreSQL 11.<\/p>\n<p>In seinem aktuellen Zustand bietet AGE <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnine-oss\/AgensGraph-Extension\/blob\/master\/doc\/cypher-query-language.rst\">unterst\u00fctzt<\/a><\/noindex> soziale M\u00f6glichkeiten der Abfragesprache Cypher, wie die Verwendung des Ausdrucks \u201eCREATE\u201c zur Definition von Knoten und Verbindungen, der Ausdruck \u201eMATCH\u201c zur Suche nach Daten im Graphen unter festgelegten Bedingungen (WHERE), in einer angegebenen Reihenfolge (ORDER BY) und mit festgelegten Einschr\u00e4nkungen (SKIP, LIMIT). Die resultierende Datenmenge, die durch die Abfrage zur\u00fcckgegeben wird, wird mit dem Ausdruck \u201eRETURN\u201c definiert. Zum Verketten mehrerer Abfragen in einer Kette steht der Ausdruck \u201eWITH\u201c zur Verf\u00fcgung. <\/p>\n<p>Es ist m\u00f6glich, multimodale Datenbanken zu erstellen, die hierarchische Speicherungsmodelle in Form von Graphen, relationale Modelle und JSON-Dokumentenspeichermodelle kombinieren. Die Ausf\u00fchrung integrierter Abfragen, die Elemente der Sprachen SQL und Cypher enthalten, wird unterst\u00fctzt.<br \/>\nEs ist die Erstellung von Indizes f\u00fcr die Eigenschaften der Knoten und Kanten des Graphen m\u00f6glich.<br \/>\nF\u00fcr die Verwendung wird ein erweitertes Set von Agtyp-Typen angeboten, das Typen f\u00fcr Kanten, Knoten und Pfade im Graphen umfasst. Aggregat-Ausdr\u00fccke sind derzeit noch nicht implementiert. Zu den verf\u00fcgbaren spezialisierten Funktionen geh\u00f6ren: id, start_id, end_id, type, properties, head, last, length, size, startNode, endNode, timestamp, toBoolean, toFloat, toInteger und coalesce. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53337\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043b\u044f PostgreSQL \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 AGE (AgensGraph-Extension) \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u044f\u0437\u044b\u043a\u0430 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 openCypher \u0434\u043b\u044f \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0439 \u0441 \u043d\u0430\u0431\u043e\u0440\u0430\u043c\u0438 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u043c\u0435\u0436\u0434\u0443 \u0441\u043e\u0431\u043e\u0439 \u0438\u0435\u0440\u0430\u0440\u0445\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u043e\u0431\u0440\u0430\u0437\u0443\u044e\u0449\u0438\u0445 \u0433\u0440\u0430\u0444. \u0412\u043c\u0435\u0441\u0442\u043e \u0441\u0442\u043e\u043b\u0431\u0446\u043e\u0432 \u0438 \u0441\u0442\u0440\u043e\u043a \u0433\u0440\u0430\u0444\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u044b\u0435 \u0411\u0414 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443, \u043f\u043e\u0445\u043e\u0436\u0443\u044e \u043d\u0430 \u0441\u0435\u0442\u044c &#8212; \u0437\u0430\u0434\u0430\u044e\u0442\u0441\u044f \u0443\u0437\u043b\u044b, \u0438\u0445 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0438 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f \u043c\u0435\u0436\u0434\u0443 \u0443\u0437\u043b\u0430\u043c\u0438. AGE \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0, \u043f\u0435\u0440\u0435\u0434\u0430\u043d \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Bitnine \u043f\u043e\u0434 \u043f\u043e\u043a\u0440\u043e\u0432\u0438\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u043e \u0424\u043e\u043d\u0434\u0430 Apache [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-88105","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043b\u044f PostgreSQL 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