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Quizzer/README.md

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+# Quizzer
+Quizzer is a quizz maker and management application based on Razor.  
+It implements MC questions and MC quizzes later to be expanded.  
+It also implements Tags which should be applied to all questions to allow for random quizz building.
+## Database tables
+**Categories**
+```
+CREATE TABLE `Cats` (
+	`CId` VARCHAR(50) NOT NULL DEFAULT 'NA' COLLATE 'utf8mb4_general_ci',
+	`UID` VARCHAR(256) NOT NULL DEFAULT '/' COLLATE 'utf8mb4_general_ci',
+	`CParentId` VARCHAR(50) NOT NULL DEFAULT '/' COLLATE 'utf8mb4_general_ci',
+	`Txt` VARCHAR(50) NOT NULL DEFAULT 'NA' COLLATE 'utf8mb4_general_ci',
+	`Descr` VARCHAR(1024) NOT NULL DEFAULT 'NA' COLLATE 'utf8mb4_general_ci',
+	PRIMARY KEY (`CId`) USING BTREE,
+	INDEX `TId` (`CId`) USING BTREE
+)
+COLLATE='utf8mb4_general_ci'
+ENGINE=InnoDB
+;
+```
+**Questions**
+```
+CREATE TABLE `Questions` (
+	`QId` CHAR(50) NOT NULL,
+	`Txt` VARCHAR(512) NOT NULL DEFAULT '0',
+	PRIMARY KEY (`QId`)
+)
+COLLATE='utf8mb4_general_ci'
+ENGINE=InnoDB
+;
+```
+**Journals**
+```
+CREATE TABLE `Journals` (
+	`PID` VARCHAR(256) NOT NULL COLLATE 'utf8mb4_general_ci',
+	`QuizzID` VARCHAR(50) NOT NULL COLLATE 'utf8mb4_general_ci',
+	`Category` VARCHAR(50) NOT NULL COLLATE 'utf8mb4_general_ci',
+	`IsOpen` INT(11) NOT NULL DEFAULT '1',
+	`Score` INT(11) NOT NULL,
+	`ScoreAcc` INT(11) NOT NULL,
+	`JournalJson` VARCHAR(2048) NOT NULL COLLATE 'utf8mb4_general_ci',
+	PRIMARY KEY (`PID`, `QuizzID`) USING BTREE
+)
+COLLATE='utf8mb4_general_ci'
+ENGINE=InnoDB
+;
+```
+**Questions**
+```
+CREATE TABLE `Questions` (
+	`QuestionID` VARCHAR(50) NOT NULL DEFAULT 'ERROR' COLLATE 'utf8mb4_general_ci',
+	`QuestionType` VARCHAR(50) NOT NULL DEFAULT '' COLLATE 'utf8mb4_general_ci',
+	`Category` VARCHAR(50) NOT NULL DEFAULT '/' COLLATE 'utf8mb4_general_ci',
+	`QuestionText` VARCHAR(512) NOT NULL DEFAULT '0' COLLATE 'utf8mb4_general_ci',
+	`ContentJson` VARCHAR(1024) NOT NULL DEFAULT '0' COLLATE 'utf8mb4_general_ci',
+	PRIMARY KEY (`QuestionID`) USING BTREE
+)
+COLLATE='utf8mb4_general_ci'
+ENGINE=InnoDB
+;
+```
+**Quizzes**
+```
+CREATE TABLE `Quizzs` (
+	`QuizzId` VARCHAR(50) NOT NULL DEFAULT 'na' COLLATE 'utf8mb4_general_ci',
+	`Owner` VARCHAR(256) NOT NULL DEFAULT 'na' COLLATE 'utf8mb4_general_ci',
+	`Class` VARCHAR(50) NOT NULL DEFAULT 'na' COLLATE 'utf8mb4_general_ci',
+	`Category` VARCHAR(50) NULL DEFAULT NULL COLLATE 'utf8mb4_general_ci',
+	`Descr` VARCHAR(1024) NULL DEFAULT NULL COLLATE 'utf8mb4_general_ci',
+	`Anonymous` INT(11) NULL DEFAULT '0',
+	`QSize` INT(10) UNSIGNED NOT NULL DEFAULT '5',
+	PRIMARY KEY (`QuizzId`) USING BTREE
+)
+COLLATE='utf8mb4_general_ci'
+ENGINE=InnoDB
+;
+```
+**Statistics**
+```
+CREATE TABLE `Statistics` (
+	`QuizzID` VARCHAR(50) NULL DEFAULT 'na' COLLATE 'utf8mb4_general_ci',
+	`Version` INT(11) NULL DEFAULT '0',
+	`StatsJson` VARCHAR(8192) NULL DEFAULT NULL COLLATE 'utf8mb3_bin'
+)
+COLLATE='utf8mb4_general_ci'
+ENGINE=InnoDB
+;
+```