{"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\/da\/blog\/news\/reliz-subd-sqlite-3-33","title":{"rendered":"Udgivelsen af SQLite 3.33","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/changes.html\">Publiceret<\/a><\/noindex> udgivelse <noindex><a rel=\"nofollow\" href=\"http:\/\/sqlite.org\/\">SQLite 3.33.0<\/a><\/noindex>, en letv\u00e6gts databasesystem, der er udformet som et tilslutningsbibliotek. Koden til SQLite distribueres som offentlig dom\u00e6ne (public domain), det vil sige, at den kan bruges uden begr\u00e6nsninger og gratis til enhver form for form\u00e5l. Den finansielle st\u00f8tte til SQLite-udviklerne ydes af et konsortium, som er oprettet specielt til dette form\u00e5l og omfatter virksomheder som Adobe, Oracle, Mozilla, Bentley og Bloomberg. <\/p>\n<p>Vigtige <noindex><a rel=\"nofollow\" href=\"https:\/\/sqlite.org\/releaselog\/3_33_0.html\">Optimeringer<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Udtrykket er implementeret <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/lang_update.html#upfrom\">UPDATE FROM<\/a><\/noindex> for at opdatere indholdet af en tabel baseret p\u00e5 udtr\u00e6k fra en anden tabel. I udtrykket er der anvendt syntaks svarende til PostgreSQL.\n<li class=\"l\"> Den maksimale st\u00f8rrelse af databasen er forh\u00f8jet til 281 TB.\n<li class=\"l\"> I <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/pragma.html#pragma_integrity_check\">PRAGMA integrity_check<\/a><\/noindex> muligg\u00f8r selektiv kontrol af kun en bestemt tabel og dens tilknyttede indekser (tidligere blev hele databasen altid kontrolleret).\n<li class=\"l\"> Tilf\u00f8jet udvidelse <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/floatingpoint.html#decext\">decimal<\/a><\/noindex> med funktioner til decimal aritmetik med vilk\u00e5rlig pr\u00e6cision.\n<li class=\"l\"> I udvidelsen  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/floatingpoint.html#ieee754ext\">ieee754<\/a><\/noindex> er der foretaget forbedringer for at st\u00f8tte binary64-nummer.\n<li class=\"l\"> I kommandogr\u00e6nsefladen (CLI)  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/cli.html#dotmode\">er tilf\u00f8jet<\/a><\/noindex> nye formatteringsmuligheder for output &#171;box&#187;, &#171;json&#187;, &#171;markdown&#187; og &#171;table&#187;. I &#171;column&#187; outputtilstand sikres der automatisk udvidelse af kolonner baseret p\u00e5 indholdet af den l\u00e6ngste r\u00e6kke. I &#171;quote&#187; outputtilstand er separatorv\u00e6rdien, der er angivet af kommandoen &#171;.separator&#187;, taget i betragtning.\n<li class=\"l\"> I CLI er udvidelserne decimal og ieee754 indbygget.\n<li class=\"l\"> Der er foretaget forbedringer i foresp\u00f8rgselsplanl\u00e6ggeren. Ydeevnen for foresp\u00f8rgslerne &#171;SELECT min(x) FROM t WHERE y IN (?,?,?)&#187; er forbedret, n\u00e5r der er et indeks t(x,y). Det er implementeret en mulighed for at bruge foresp\u00f8rgselsplanen full-index-scan for foresp\u00f8rgsler med udtrykket &#171;INDEXED BY&#187;.\n<li class=\"l\"> I tilstand <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sqlite.org\/wal.html\">WAL<\/a><\/noindex> (Write-Ahead Logging) i tilf\u00e6lde af fejl under skriveoperationen, der f\u00f8rer til brud p\u00e5 datakonsistensen i shm-filen, kan efterf\u00f8lgende transaktioner genoprette integriteten af shm-filen, n\u00e5r der er aktive l\u00e6setransaktioner, i stedet for at vise fejlen SQLITE_PROTOCOL.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <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 5.0.3 - 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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