{"id":116891,"date":"2024-07-02T12:05:43","date_gmt":"2024-07-02T10:05:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupna-subd-mysql-9-0-0"},"modified":"2024-07-02T12:05:43","modified_gmt":"2024-07-02T10:05:43","slug":"dostupna-subd-mysql-9-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/dostupna-subd-mysql-9-0-0","title":{"rendered":"Disponibile il DBMS MySQL 9.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Oracle ha creato un nuovo ramo del database MySQL 9.0. Le build di MySQL Community Server 9.0.0 sono pronte per tutte le principali distribuzioni di Linux, FreeBSD, macOS e Windows. Nell'ambito del modello di rilascio introdotto lo scorso anno, MySQL 9.0 appartiene ai rami \u00abInnovation\u00bb, ai quali saranno associati anche i prossimi importanti rilasci MySQL 9.1 e 9.2. I rami Innovation sono raccomandati per coloro che desiderano accedere anticipatamente a nuove funzionalit\u00e0, vengono pubblicati ogni 3 mesi e sono supportati solo fino alla pubblicazione del successivo rilascio significativo (ad esempio, dopo il rilascio del ramo 9.1, il supporto per il ramo 9.0 cesser\u00e0). Circa un anno dopo, \u00e8 previsto un rilascio LTS, consigliato per le implementazioni che necessitano di prevedibilit\u00e0 e di un comportamento invariato nel tempo. Dopo il ramo LTS, sar\u00e0 creato un nuovo ramo Innovation \u2014 MySQL 10.0.<\/p>\n<p>Principali modifiche in MySQL 9.0:<\/p>\n<ul>\n<li class=\"l\"> Con l'istruzione \u00abEXPLAIN ANALYZE INTO\u00bb \u00e8 stata aggiunta la possibilit\u00e0 di salvare l'output in formato JSON in una variabile utente, che pu\u00f2 poi essere utilizzata come argomento in funzioni che lavorano con JSON.\n<p>   EXPLAIN ANALYZE FORMAT=JSON INTO @variable select_stmt<\/p>\n<li class=\"l\"> \u00c8 consentita la formulazione delle istruzioni \u00abCREATE EVENT\u00bb, \u00abALTER EVENT\u00bb e \u00abDROP EVENT\u00bb come query parametriche all'interno di procedure memorizzate. La creazione della query parametrica avviene tramite l'istruzione PREPARE, mentre l'esecuzione tramite l'istruzione EXECUTE.\n<p>   CREATE PROCEDURE sp(n INT)<br \/>\n   BEGIN<br \/>\n     SET @s1 = \u00abCREATE EVENT e ON SCHEDULE EVERY \u00ab;<br \/>\n     SET @s2 = \u00bb SECOND<br \/>\n          STARTS CURRENT_TIMESTAMP + INTERVAL 10 SECOND<br \/>\n          ENDS CURRENT_TIMESTAMP + INTERVAL 2 MINUTE<br \/>\n          ON COMPLETION PRESERVE<br \/>\n          DO<br \/>\n          INSERT INTO d.t VALUES ROW(NULL, NOW(), FLOOR(RAND()*100))\u00bb;<\/p>\n<p>     SET @s = CONCAT(@s1, n, @s2);<br \/>\n     PREPARE ps FROM @s;<br \/>\n     EXECUTE ps;<br \/>\n     DEALLOCATE PREPARE ps;<br \/>\n   FINE<\/p>\n<li class=\"l\"> Sono state aggiunte due nuove tabelle di sistema contenenti informazioni sulle variabili di sistema: variables_metadata \u2014 contiene informazioni sui nomi, ambiti, tipi e intervalli di valori di tutte le variabili di sistema supportate dal server MySQL; global_variable_attributes \u2014 contiene i valori degli attributi impostati per le variabili globali, come offline_mode e read_only.\n<li class=\"l\"> \u00c8 stato rimosso il plugin server mysql_native_password precedentemente dichiarato obsoleto, che forniva autenticazione tramite password. Si raccomanda di passare all'uso del plugin caching_sha2_password, che utilizza l'algoritmo SHA2 invece di SHA1 per l'hashing.\n<li class=\"l\"> Aggiunti 15 variabili per la configurazione e l'ispezione del motore MLE (Multilingual Engine Component), che consente di utilizzare codice in lingue diverse da SQL nelle procedure memorizzate e nelle funzioni.\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61476\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u0421\u0423\u0411\u0414 MySQL 9.0.0. \u0421\u0431\u043e\u0440\u043a\u0438 MySQL Community Server 9.0.0 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u043e\u0432 Linux, FreeBSD, macOS \u0438 Windows. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u0432\u043d\u0435\u0434\u0440\u0451\u043d\u043d\u043e\u0439 \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0433\u043e\u0434\u0443 \u043c\u043e\u0434\u0435\u043b\u0438 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u043b\u0438\u0437\u043e\u0432, MySQL 9.0 \u043e\u0442\u043d\u0435\u0441\u0451\u043d \u043a \u0432\u0435\u0442\u043a\u0430\u043c &#171;Innovation&#187;, \u043a \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0442\u0430\u043a\u0436\u0435 \u0431\u0443\u0434\u0443\u0442 \u043e\u0442\u043d\u0435\u0441\u0435\u043d\u044b \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0440\u0435\u043b\u0438\u0437\u044b MySQL 9.1 \u0438 9.2. Innovation-\u0432\u0435\u0442\u043a\u0438 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u043e\u0432\u0430\u043d\u044b \u0434\u043b\u044f \u0442\u0435\u0445, \u043a\u0442\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116891","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u0421\u0423\u0411\u0414 MySQL 9.0.0. \u0421\u0431\u043e\u0440\u043a\u0438 MySQL Community Server 9.0.0 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u043e\u0432 Linux, FreeBSD, macOS \u0438 Windows. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u0432\u043d\u0435\u0434\u0440\u0451\u043d\u043d\u043e\u0439 \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0433\u043e\u0434\u0443 \u043c\u043e\u0434\u0435\u043b\u0438 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u043b\u0438\u0437\u043e\u0432, MySQL 9.0 \u043e\u0442\u043d\u0435\u0441\u0451\u043d \u043a \u0432\u0435\u0442\u043a\u0430\u043c &quot;Innovation&quot;, \u043a \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0442\u0430\u043a\u0436\u0435 \u0431\u0443\u0434\u0443\u0442 \u043e\u0442\u043d\u0435\u0441\u0435\u043d\u044b \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0440\u0435\u043b\u0438\u0437\u044b MySQL 9.1 \u0438 9.2. 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