{"id":99375,"date":"2021-03-07T16:22:42","date_gmt":"2021-03-07T14:22:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/subd-dolt-pozvolyayushhaya-manipulirovat-dannymi-v-stile-git"},"modified":"2021-03-07T16:22:42","modified_gmt":"2021-03-07T14:22:43","slug":"subd-dolt-pozvolyayushhaya-manipulirovat-dannymi-v-stile-git","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/subd-dolt-pozvolyayushhaya-manipulirovat-dannymi-v-stile-git","title":{"rendered":"SGBD Dolt, permettant de manipuler des donn\u00e9es \u00e0 la mani\u00e8re de Git","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le projet Dolt d\u00e9veloppe une base de donn\u00e9es qui combine le support de SQL avec des outils de versionnage de donn\u00e9es \u00e0 la mani\u00e8re de Git. Dolt permet de cloner des tables, de cr\u00e9er des forks et d'effectuer des fusions de tables, ainsi que d'effectuer des op\u00e9rations de push et pull de mani\u00e8re analogue aux actions dans un d\u00e9p\u00f4t git. De plus, la base de donn\u00e9es prend en charge les requ\u00eates SQL et est compatible avec MySQL au niveau des interfaces clients. Le code du projet est \u00e9crit en Go et distribu\u00e9 sous la licence Apache 2.0.    <\/p>\n<p>Les capacit\u00e9s de versioning des donn\u00e9es dans la base de donn\u00e9es permettent de suivre l'origine des donn\u00e9es \u2014 l'association aux commits permet de fixer un \u00e9tat pour obtenir des r\u00e9sultats identiques, qui peuvent \u00eatre reproduits \u00e0 tout moment sur d'autres syst\u00e8mes, ind\u00e9pendamment de l'\u00e9tat actuel. De plus, les utilisateurs peuvent naviguer dans l'historique, suivre les modifications dans les tables via SQL sans avoir besoin de comparer les sauvegardes, proc\u00e9der \u00e0 des audits des modifications, ainsi que formuler des requ\u00eates couvrant les donn\u00e9es \u00e0 un moment donn\u00e9.      <center><img decoding=\"async\" alt=\"SGBD Dolt, permettant de manipuler des donn\u00e9es \u00e0 la mani\u00e8re de Git\" src=\"\/wp-content\/uploads\/2021\/03\/9021513a51ad7a9cd21fe3514b295369.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>          <\/p>\n<p>Le SGBD propose deux modes de fonctionnement \u2014 Hors ligne et En ligne. Une fois converti en mode hors ligne, le contenu de la base de donn\u00e9es devient accessible en tant que d\u00e9p\u00f4t, avec lequel il est possible d'effectuer des op\u00e9rations \u00e0 l'aide d'un utilitaire de ligne de commande semblable \u00e0 git. Le travail ressemble beaucoup \u00e0 git et se distingue principalement par le fait que les modifications ne sont pas suivies pour les fichiers, mais pour le contenu des tables. Via l'interface CLI propos\u00e9e, il est possible d'importer des donn\u00e9es \u00e0 partir de fichiers au format CSV ou JSON, d'ajouter des commits avec des modifications, d'afficher les diff\u00e9rences entre les versions, de cr\u00e9er des branches, d'\u00e9tablir des balises, d'effectuer des requ\u00eates push vers des serveurs externes et de r\u00e9aliser des fusions des modifications propos\u00e9es par d'autres participants.        <\/p>\n<p>Les donn\u00e9es peuvent \u00eatre h\u00e9berg\u00e9es dans le r\u00e9pertoire DoltHub, qui peut \u00eatre consid\u00e9r\u00e9 comme l'\u00e9quivalent de GitHub pour l'h\u00e9bergement de donn\u00e9es et la collaboration sur ces donn\u00e9es. Les utilisateurs peuvent cr\u00e9er des forks de d\u00e9p\u00f4ts de donn\u00e9es, proposer leurs propres modifications et effectuer des fusions avec leurs donn\u00e9es. Par exemple, sur DoltHub, on peut trouver diverses bases de donn\u00e9es avec des statistiques sur le coronavirus, des collections de donn\u00e9es annot\u00e9es pour des syst\u00e8mes d'apprentissage automatique, des bases de donn\u00e9es linguistiques, des collections d'images, des ensembles pour la classification d'objets et des informations sur l'appartenance. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/lir\/ipv4\/\"   title=\"adresses IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"831\">adresses IP<\/a>.    <\/p>\n<p>En mode \u00ab en ligne \u00bb, le Dolt SQL Server est lanc\u00e9, permettant de manipuler les donn\u00e9es \u00e0 l'aide du langage SQL. L'interface fournie est proche de MySQL et peut \u00eatre utilis\u00e9e via des clients compatibles avec MySQL ou par le biais de l'interface CLI. Dans ce cadre, Dolt est plut\u00f4t un outil de manipulation des donn\u00e9es qu'un syst\u00e8me de traitement des requ\u00eates. Par d\u00e9faut, le serveur SQL ne peut traiter qu'une seule connexion utilisateur active au d\u00e9p\u00f4t situ\u00e9 dans le r\u00e9pertoire actuel (ce comportement peut \u00eatre modifi\u00e9 via les param\u00e8tres). <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-los-angeles\/\"   title=\"de serveurs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3697\">de serveurs<\/a> en mode lecture seule. De nombreuses actions li\u00e9es \u00e0 la gestion des versions peuvent \u00e9galement \u00eatre effectu\u00e9es via SQL, par exemple, r\u00e9aliser des commits ou passer d'une branche \u00e0 une autre.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54716\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 Dolt \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u0421\u0423\u0411\u0414, \u0441\u043e\u0447\u0435\u0442\u0430\u044e\u0449\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 SQL \u0441\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 \u0432\u0435\u0440\u0441\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0441\u0442\u0438\u043b\u0435 Git. Dolt \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043a\u043b\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0442\u0430\u0431\u043b\u0438\u0446\u044b, \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0444\u043e\u0440\u043a\u0438 \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0441\u043b\u0438\u044f\u043d\u0438\u044f \u0442\u0430\u0431\u043b\u0438\u0446, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 push \u0438 pull \u043f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0441 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f\u043c\u0438 \u0432 git-\u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0421\u0423\u0411\u0414 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 SQL-\u0437\u0430\u043f\u0440\u043e\u0441\u044b \u0438 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u0430 \u0441 MySQL \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":99376,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-99375","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0435\u043a\u0442 Dolt 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