{"id":91619,"date":"2020-08-15T13:42:36","date_gmt":"2020-08-15T11:42:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-subd-sqlite-3-33"},"modified":"2020-08-15T13:42:36","modified_gmt":"2020-08-15T11:42:36","slug":"reliz-subd-sqlite-3-33","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/reliz-subd-sqlite-3-33","title":{"rendered":"Rilascio del DBMS SQLite 3.33","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/changes.html\">Pubblicato<\/a><\/noindex> rilascio <noindex><a rel=\"nofollow\" href=\"http:\/\/sqlite.org\/\">SQLite 3.33.0<\/a><\/noindex>, un DBMS leggero, fornito come libreria di collegamento. Il codice di SQLite \u00e8 rilasciato come dominio pubblico, ossia pu\u00f2 essere utilizzato senza restrizioni e gratuitamente per qualsiasi scopo. Il supporto finanziario per gli sviluppatori di SQLite \u00e8 garantito da un consorzio appositamente creato, che comprende aziende come Adobe, Oracle, Mozilla, Bentley e Bloomberg. <\/p>\n<p>Principali <noindex><a rel=\"nofollow\" href=\"https:\/\/sqlite.org\/releaselog\/3_33_0.html\">modifiche<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Implementata l'espressione <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/lang_update.html#upfrom\">UPDATE FROM<\/a><\/noindex> per aggiornare il contenuto di una tabella basato su una selezione da un'altra tabella. L'espressione utilizza una sintassi compatibile con PostgreSQL.\n<li class=\"l\"> La dimensione massima del database \u00e8 aumentata a 281 TB.\n<li class=\"l\"> In <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/pragma.html#pragma_integrity_check\">PRAGMA integrity_check<\/a><\/noindex> \u00e8 stata fornita la possibilit\u00e0 di controllare selettivamente solo una specifica tabella e gli indici associati (in precedenza veniva sempre controllato l'intero database).\n<li class=\"l\"> Aggiunta l'estensione <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/floatingpoint.html#decext\">decimal<\/a><\/noindex> con funzioni di aritmetica decimale a precisione arbitraria.\n<li class=\"l\"> Nell'estensione  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/floatingpoint.html#ieee754ext\">ieee754<\/a><\/noindex> sono stati apportati miglioramenti per supportare numeri binary64.\n<li class=\"l\"> Nell'interfaccia della riga di comando (CLI)  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/cli.html#dotmode\">sono stati aggiunti<\/a><\/noindex> nuove modalit\u00e0 di formattazione dell'output &#171;box&#187;, &#171;json&#187;, &#171;markdown&#187; e &#171;table&#187;. Nella modalit\u00e0 di output &#171;column&#187;, \u00e8 garantita l'espansione automatica delle colonne in base al contenuto della riga pi\u00f9 lunga. Nella modalit\u00e0 di output &#171;quote&#187;, \u00e8 considerato il valore del delimitatore impostato dal comando &#171;.separator&#187;.\n<li class=\"l\"> Nella CLI sono state incorporate le estensioni decimal e ieee754.\n<li class=\"l\"> Sono stati apportati miglioramenti al pianificatore di query. Aumentata la performance delle query &#171;SELECT min(x) FROM t WHERE y IN (?,?,?)&#187; in presenza di un indice t(x,y). Implementata la determinazione della possibilit\u00e0 di utilizzare il piano di query full-index-scan per le query con l'espressione &#171;INDEXED BY&#187;.\n<li class=\"l\"> In modalit\u00e0 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/wal.html\">WAL<\/a><\/noindex> (Write-Ahead Logging) in caso di un errore durante l'operazione di scrittura che porta a una perdita di coerenza dei dati nel file shm, le transazioni successive possono ora ripristinare l'integrit\u00e0 del file shm in presenza di transazioni attive in lettura, invece di restituire un errore SQLITE_PROTOCOL.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53552\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 SQLite 3.33.0, \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0439 \u0421\u0423\u0411\u0414, \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 \u0432\u0438\u0434\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041a\u043e\u0434 SQLite \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 (public domain), \u0442.\u0435. \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0431\u0435\u0437 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439 \u0438 \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432 \u043b\u044e\u0431\u044b\u0445 \u0446\u0435\u043b\u044f\u0445. \u0424\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 SQLite \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u043d\u0441\u043e\u0440\u0446\u0438\u0443\u043c, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u0445\u043e\u0434\u044f\u0442 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Adobe, Oracle, Mozilla, Bentley \u0438 Bloomberg. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043e \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435 UPDATE FROM [&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-91619","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 SQLite 3.33.0, \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0439 \u0421\u0423\u0411\u0414, \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0432.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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