diff --git a/models/update-2020-11.sql b/models/update-2020-11.sql
new file mode 100644
index 0000000..b316d9a
--- /dev/null
+++ b/models/update-2020-11.sql
@@ -0,0 +1,37 @@
+--
+--  Évolutions base de données nouvelle version WikiLerni avec notamment ajout des quizs groupés.
+--
+
+CREATE TABLE `Groups` (
+  `id` int(11) NOT NULL,
+  `title` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
+  `slug` varchar(150) COLLATE utf8mb4_unicode_ci NOT NULL,
+  `introduction` text COLLATE utf8mb4_unicode_ci,
+  `publishingAt` datetime DEFAULT NULL COMMENT 'If null, the questionnaire with the questions for each element of the group is not published, but its elements may be.',
+  `language` varchar(4) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT 'fr',
+  `createdAt` datetime NOT NULL,
+  `updatedAt` datetime NOT NULL,
+  `CreatorId` int(11) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+ALTER TABLE `Groups`
+  ADD PRIMARY KEY (`id`),
+  ADD UNIQUE KEY `Questionnaires_slug_unique` (`slug`),
+  ADD KEY `CreatorId` (`CreatorId`);
+
+ALTER TABLE `Groups`
+  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=4;
+
+ALTER TABLE `Answers` CHANGE `QuestionnaireId` `QuestionnaireId` INT(11) NULL DEFAULT NULL;
+ALTER TABLE `Answers` ADD `GroupId` INT(11) NULL DEFAULT NULL AFTER `QuestionnaireId`;
+ALTER TABLE `Answers` ADD CONSTRAINT `Answers_ibfk_9` FOREIGN KEY (`GroupId`) REFERENCES `Groups`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;
+
+ALTER TABLE `Questionnaires` ADD `rankInGroup` INT(2) UNSIGNED NULL DEFAULT NULL COMMENT 'Allows you to classify the questionnaire if it belongs to a group.' AFTER `estimatedTime`;
+ALTER TABLE `Questionnaires` ADD `GroupId` INT(11) NULL DEFAULT NULL AFTER `CreatorId`;
+ALTER TABLE `Questionnaires` ADD CONSTRAINT `Questionnaires_ibfk_2` FOREIGN KEY (`GroupId`) REFERENCES `Groups`(`id`) ON DELETE RESTRICT ON UPDATE RESTRICT;
+
+ALTER TABLE `Subscriptions`
+  DROP `noticeOk`;
+
+ALTER TABLE `Users`
+  DROP `newsletterOk`;
\ No newline at end of file