Der kan yderligere n\u00e6vnes udgivelsen af udvidelsen SynchDB 1.0, som er designet til at replikere data fra en eller flere eksterne DBMS'er, s\u00e5som MySQL, MS SQLServer og Oracle, til PostgreSQL. Disse eksterne DBMS'er fungerer som datakilder, der direkte overf\u00f8res til en enkelt m\u00e5ldatabase baseret p\u00e5 PostgreSQL, uden brug af ekstra lag til orkestrering af data-synkroniseringsprocessen (alle synkroniseringsoperationer h\u00e5ndteres af udvidelsen SynchDB). Projektkoden er skrevet i C og Java og distribueres under Apache 2.0-licensen. SynchDB 1.0 er markeret som den f\u00f8rste stabile udgivelse af projektet. <\/p>\n
Systemet best\u00e5r af seks komponenter: <\/p>\n
- \n
- Debezium Runner Engine \u2014 en Java-motor, der leverer moduler til behandling af datastreams af \u00e6ndringer fra forskellige databasesystemer (MySQL, MS SQLServer og Oracle) og overs\u00e6tter de modtagne data til et universelt JSON-format.\n
- SynchDB Worker \u2014 starter instanser af Debezium Runner Engine for at replikere data fra specifikke databasesystemer, modtager \u00e6ndringer fra dem i JSON-format og sender dem til Format Converter-modulet.\n
- SynchDB Launcher \u2014 opretter og afslutter SynchDB-processorer ved hj\u00e6lp af PostgreSQL API'et til at starte baggrundsprocesser.\n
- Format Converter \u2014 analyserer datastreams af \u00e6ndringer i JSON-format, konverterer eksterne datatyper og DDL-foresp\u00f8rgsler til typer og foresp\u00f8rgsler, der er kompatible med PostgreSQL.\n
- Replication Agent \u2014 behandler output i HeapTupleData-format fra Format Converter og starter metoder til at inds\u00e6tte data i PostgreSQL.\n
- Table Synch Agent (under udvikling) — giver en effektiv metode til indledende synkronisering af tabeller. <\/ul>\n
![\"IvorySQL](\"\/wp-content\/uploads\/2024\/12\/c8e38abad675ca21ad7d0ca36aa2ceea.png\")
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Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 IvorySQL 4.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044e \u0421\u0423\u0411\u0414 PostgreSQL, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0443\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u043c\u0438, \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u043d\u043d\u044b\u043c\u0438 \u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u0421\u0423\u0411\u0414 Oracle. \u0412 IvorySQL \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u043e\u0439 \u0437\u0430\u043c\u0435\u043d\u044b \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 PostgreSQL, \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0441\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044e \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 «compatible_db», \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0439 \u0440\u0435\u0436\u0438\u043c \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0441 Oracle. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \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. […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":121168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47IvorySQL 4.0 og SynchDB 1.0 er tilg\u00e6ngelige, som udvidelser til PostgreSQL til interaktion med andre DBMS'er | ProHoster","description":"Udgivelsen af projektet IvorySQL 4.0 er offentliggjort, som udvikler en version af DBMS PostgreSQL, der sikrer kompatibilitet med applikationer designet til at arbejde med Oracle 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