{"id":111102,"date":"2023-10-26T15:10:14","date_gmt":"2023-10-26T13:10:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupna-subd-mysql-8-2-0"},"modified":"2023-10-26T15:10:14","modified_gmt":"2023-10-26T13:10:14","slug":"dostupna-subd-mysql-8-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/dostupna-subd-mysql-8-2-0","title":{"rendered":"O SGBD MySQL 8.2.0 est\u00e1 dispon\u00edvel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A empresa Oracle formou um novo ramo do banco de dados MySQL 8.2 e publicou atualiza\u00e7\u00f5es corretivas MySQL 8.0.35 e 5.7.44. As compila\u00e7\u00f5es do MySQL Community Server 8.2.0 est\u00e3o preparadas para todas as principais distribui\u00e7\u00f5es Linux, FreeBSD, macOS e Windows.    <\/p>\n<p>MySQL 8.2.0 \u00e9 o segundo lan\u00e7amento formatado sob o novo modelo de forma\u00e7\u00e3o de vers\u00f5es, que prev\u00ea a exist\u00eancia de dois tipos de ramifica\u00e7\u00f5es do MySQL \u2014 'Innovation' e 'LTS'. As ramifica\u00e7\u00f5es Innovation, que incluem MySQL 8.1 e 8.2, s\u00e3o recomendadas para aqueles que desejam acessar novas funcionalidades mais cedo. Essas ramifica\u00e7\u00f5es s\u00e3o publicadas a cada 3 meses e s\u00e3o suportadas apenas at\u00e9 a publica\u00e7\u00e3o do pr\u00f3ximo lan\u00e7amento significativo (por exemplo, ap\u00f3s o lan\u00e7amento da ramifica\u00e7\u00e3o 8.2, o suporte para a ramifica\u00e7\u00e3o 8.1 \u00e9 encerrado). As ramifica\u00e7\u00f5es LTS s\u00e3o recomendadas para implementa\u00e7\u00f5es que necessitam de previsibilidade e manuten\u00e7\u00e3o do comportamento inalterado por um longo per\u00edodo. As ramifica\u00e7\u00f5es LTS ser\u00e3o lan\u00e7adas a cada dois anos e suportadas durante 5 anos, al\u00e9m de um suporte estendido adicional de 3 anos. O lan\u00e7amento LTS do MySQL 8.4 est\u00e1 previsto para a primavera de 2024, ap\u00f3s o qual uma nova ramifica\u00e7\u00e3o Innovation 9.0 ser\u00e1 criada.      <\/p>\n<p>Principais mudan\u00e7as no MySQL 8.2:  <\/p>\n<ul>\n<li class=\"l\"> Adicionada a suporte ao mecanismo de autentica\u00e7\u00e3o baseado na especifica\u00e7\u00e3o Webauthn (FIDO2), permitindo o uso de autentica\u00e7\u00e3o multifatorial e confirmando a conex\u00e3o ao <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-shicago\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2927\">servidor<\/a> MySQL sem senhas, utilizando tokens de hardware com suporte a FIDO2 ou autentica\u00e7\u00e3o biom\u00e9trica. O plugin com suporte a Webauthn est\u00e1 dispon\u00edvel apenas para o MySQL Enterprise.\n<li class=\"l\"> O plugin de servidor mysql_native_password, que fornece autentica\u00e7\u00e3o por meio de senhas, foi movido para a categoria de opcional e pode ser desativado. Em vez do mysql_native_password, \u00e9 recomendado migrar para o plugin caching_sha2_password, que utiliza o algoritmo SHA2 para hashing ao inv\u00e9s do SHA1. Para alternar os usu\u00e1rios para o plugin caching_sha2_password com a substitui\u00e7\u00e3o da senha por uma aleat\u00f3ria, pode-se usar o comando:       ALTER USER 'username'@'localhost'     IDENTIFIED WITH caching_sha2_password BY RANDOM PASSWORD     PASSWORD EXPIRE     FAILED_LOGIN_ATTEMPTS 3 PASSWORD_LOCK_TIME 2;\n<li class=\"l\"> Otimiza\u00e7\u00e3o das tabelas hash foi realizada, permitindo aumentar a velocidade na execu\u00e7\u00e3o das opera\u00e7\u00f5es EXCEPT e INTERSECT.\n<li class=\"l\"> As capacidades de depura\u00e7\u00e3o foram ampliadas. Na opera\u00e7\u00e3o SELECT, INSERT, REPLACE, UPDATE e DELETE foi adicionada a suportar a express\u00e3o 'EXPLAIN FORMAT=JSON' para gerar sa\u00eddas diagn\u00f3sticas no formato JSON (por exemplo, 'EXPLAIN FORMAT=JSON INTO @var select_stmt;').\n<li class=\"l\"> Foi adicionado o comando 'EXPLAIN FOR SCHEMA' para gerar diagn\u00f3sticos que est\u00e3o relacionados apenas a um determinado esquema de dados.\n<li class=\"l\"> A ferramenta mysqldump recebeu a op\u00e7\u00e3o '--output-as-version' para criar dumps compat\u00edveis com uma vers\u00e3o anterior espec\u00edfica do MySQL (por exemplo, \u00e9 poss\u00edvel indicar BEFORE_8_2_0 ou BEFORE_8_0_23 para retornar a terminologia desatualizada master\/slave, que foi declarada obsoleta nas vers\u00f5es 8.2.0 e 8.0.23).\n<li class=\"l\"> Adicionada \u00e0 biblioteca cliente em C a capacidade de usar atributos nomeados em consultas parametrizadas (prepared statement), implementadas pela nova fun\u00e7\u00e3o mysql_stmt_bind_named_param(), que substitui a fun\u00e7\u00e3o mysql_stmt_bind_param().\n<li class=\"l\"> Simplificada a distribui\u00e7\u00e3o de tr\u00e1fego SQL em um cluster de servidores MySQL. Foram disponibilizadas op\u00e7\u00f5es para conex\u00f5es transparentes para aplicativos a servidores secund\u00e1rios ou prim\u00e1rios.\n<li class=\"l\"> Adicionada uma nova privil\u00e9gio SET_ANY_DEFINER, que concede o direito de criar objetos com a express\u00e3o DEFINER, al\u00e9m do privil\u00e9gio ALLOW_NONEXISTENT_DEFINER para proteger objetos sem propriet\u00e1rio.\n<li class=\"l\"> Foram declaradas obsoletas: as vari\u00e1veis old e new, as m\u00e1scaras '%' e '_' nas opera\u00e7\u00f5es de concess\u00e3o de acesso ao DB, a op\u00e7\u00e3o '--character-set-client-handshake', a vari\u00e1vel binlog_transaction_dependency_tracking e o privil\u00e9gio SET_USER_ID.\n<li class=\"l\"> No \u00e2mbito da corre\u00e7\u00e3o da terminologia politicamente incorreta relacionada \u00e0 replica\u00e7\u00e3o, foram considerados obsoletos as express\u00f5es \u00abRESET MASTER\u00bb, \u00abSHOW MASTER STATUS\u00bb, \u00abSHOW MASTER LOGS\u00bb e \u00abPURGE MASTER LOGS\u00bb, sendo recomendadas as express\u00f5es \u00abRESET BINARY LOGS AND GTIDS\u00bb, \u00abSHOW BINARY LOG STATUS\u00bb, \u00abSHOW BINARY LOGS\u00bb e \u00abPURGE BINARY LOGS\u00bb.\n<li class=\"l\"> Removidas as funcionalidades anteriormente consideradas obsoletas: a fun\u00e7\u00e3o WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS(), a vari\u00e1vel expire_logs_days e as op\u00e7\u00f5es \u00ab--abort-slave-event-count\u00bb e \u00ab--disconnect-slave-event-count\u00bb.\n<li class=\"l\"> Eliminadas 26 vulnerabilidades. Duas vulnerabilidades relacionadas ao uso do pacote Curl e da biblioteca OpenSSL podem ser exploradas remotamente.      <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59995\">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 8.2 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f MySQL 8.0.35 \u0438 5.7.44. \u0421\u0431\u043e\u0440\u043a\u0438 MySQL Community Server 8.2.0 \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. MySQL 8.2.0 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u0442\u043e\u0440\u044b\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u043c, \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043d\u043e\u0432\u043e\u0439 \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, \u043f\u0440\u0435\u0434\u0443\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u043d\u0430\u043b\u0438\u0447\u0438\u0435 \u0434\u0432\u0443\u0445 \u0442\u0438\u043f\u043e\u0432 \u0432\u0435\u0442\u043e\u043a MySQL &#8212; &#171;Innovation&#187; \u0438 &#171;LTS&#187;. \u0412\u0435\u0442\u043a\u0438 Innovation, [&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-111102","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=\"\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 8.2 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f MySQL 8.0.35 \u0438 5.7.44.\" \/>\n\t<meta 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