{"id":116388,"date":"2024-06-06T15:39:57","date_gmt":"2024-06-06T13:39:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/stabilnyj-vypusk-subd-mariadb-11-4"},"modified":"2024-06-06T15:39:57","modified_gmt":"2024-06-06T13:39:57","slug":"stabilnyj-vypusk-subd-mariadb-11-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/stabilnyj-vypusk-subd-mariadb-11-4","title":{"rendered":"Lansare stabil\u0103 a SGBD-ului MariaDB 11.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost publicat SGBD-ul MariaDB 11.4.2, care este marcat ca prima versiune stabil\u0103 a ramurii 11.4. Ramura MariaDB 11.4 este clasificat\u0103 ca o versune cu suport pe termen lung \u0219i va fi \u00eentre\u021binut\u0103 timp de cel pu\u021bin 5 ani. De asemenea, este disponibil\u0103 versiunea MariaDB 11.5.1, care are statut de candidat, \u0219i a fost creat\u0103 ramura 11.6, \u00een care se va dezvolta noua func\u021bionalitate.    <\/p>\n<p>Proiectul MariaDB dezvolt\u0103 o ramur\u0103 derivat\u0103 din MySQL, care p\u0103streaz\u0103 compatibilitatea \u00eenapoi \u0219i se distinge prin integrarea de motoare de stocare suplimentare \u0219i func\u021bionalit\u0103\u021bi avansate. Dezvoltarea MariaDB este supervizat\u0103 de organiza\u021bia independent\u0103 MariaDB Foundation conform unui proces de dezvoltare deschis \u0219i transparent, care nu depinde de anumi\u021bi furnizori. MariaDB este livrat\u0103 \u00een locul MySQL \u00een multe distribu\u021bii Linux (RHEL, SUSE, Fedora, openSUSE, Slackware, OpenMandriva, ROSA, Arch Linux, Debian) \u0219i este implementat\u0103 \u00een proiecte mari precum Wikipedia, Google Cloud SQL \u0219i Nimbuzz.       <\/p>\n<p>Printre modific\u0103rile din ramura MariaDB 11.4 comparativ cu ultima versiune LTS 10.11:  <\/p>\n<ul>\n<li class=\"l\"> Optimizatorul interog\u0103rilor a fost semnificativ \u00eembun\u0103t\u0103\u021bit, fiind tradus pe un nou model de greutate (cost model), care ofer\u0103 o predic\u021bie mai precis\u0103 a greut\u0103\u021bilor fiec\u0103rui plan de execu\u021bie a interog\u0103rii. Modelul anterior se potrivea bine pentru g\u0103sirea indexului optim, dar avea probleme cu aplicabilitatea opera\u021biunilor de scanare a tabelului, scanare a indexului sau selec\u021bie pe intervale. \u00cen noul model, aceast\u0103 deficien\u021b\u0103 a fost eliminat\u0103 prin modificarea greut\u0103\u021bii de baz\u0103 a opera\u021biunilor legate de motorul de stocare. De exemplu, pentru opera\u021biunile cu stocare, cum ar fi scanarea secven\u021bial\u0103 a \u00eenregistr\u0103rilor, acum se presupune c\u0103 datele sunt stocate pe un SSD rapid. De asemenea, au fost realizate ajust\u0103ri la altele dintre parametrii de greut\u0103\u021bi ai optimizatorului, ceea ce a permis, de exemplu, utilizarea indexurilor pentru opera\u021biunile \"ORDER BY\/GROUP BY\" \u00een subinterog\u0103ri \u0219i a accelerat lucrul cu tabele foarte mici.\n<li class=\"l\"> A fost semnificativ accelerat\u0103 procesarea subinterog\u0103rilor \u00een expresiile UPDATE \u0219i DELETE, limitate la o singur\u0103 tabel\u0103.\n<li class=\"l\"> S-a asigurat utilizarea indexurilor \u00een interog\u0103rile \u00een care func\u021biile DATE \u0219i YEAR sunt comparate cu o constant\u0103, de exemplu, \"SELECT * FROM t2 WHERE YEAR(a) = 2024\" sau \"SELECT * FROM t2 WHERE DATE(a)\".<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61324\">opennet.ro<\/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 \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 MariaDB 11.4.2, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u043c\u0435\u0447\u0435\u043d \u043a\u0430\u043a \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u0432\u0435\u0442\u043a\u0438 11.4. \u0412\u0435\u0442\u043a\u0430 MariaDB 11.4 \u043e\u0442\u043d\u0435\u0441\u0435\u043d\u0430 \u043a \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u0438 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432 \u0441 \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0441\u0440\u043e\u043a\u043e\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0438 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043c\u0438\u043d\u0438\u043c\u0443\u043c 5 \u043b\u0435\u0442. \u041e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a MariaDB 11.5.1, \u0438\u043c\u0435\u044e\u0449\u0438\u0439 \u0441\u0442\u0430\u0442\u0443\u0441 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442\u0430 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b, \u0438 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0432\u0435\u0442\u043a\u0430 11.6, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u043d\u043e\u0432\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c. \u041f\u0440\u043e\u0435\u043a\u0442\u043e\u043c MariaDB \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043e\u0442\u0432\u0435\u0442\u0432\u043b\u0435\u043d\u0438\u0435 [&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-116388","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - 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