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Added rudimentary support for differente subjects and helper scripts.

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Wally Hackenslacker
2017-10-02 05:35:38 -04:00
parent 1fefaffecd
commit 91107d71bf
6 changed files with 275 additions and 56 deletions
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32
db_schema.sql
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@@ -15,6 +15,21 @@
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
--
-- Table structure for table `subjects`
--
DROP TABLE IF EXISTS `subjects`;
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `subjects` (
`subject_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`name` varchar(100),
PRIMARY KEY (`subject_id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
--
-- Table structure for table `rooms`
--
@@ -26,7 +41,7 @@ CREATE TABLE `rooms` (
`room_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`name` varchar(5) DEFAULT NULL,
PRIMARY KEY (`room_id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1;
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;
--
@@ -41,10 +56,12 @@ CREATE TABLE `schedules` (
`description` varchar(30) DEFAULT NULL,
`capacity` int(11) NOT NULL,
`room_id` int(10) unsigned NOT NULL,
`subject_id` int(10) unsigned NOT NULL,
PRIMARY KEY (`sched_id`),
KEY `fk_room` (`room_id`),
CONSTRAINT `schedules_ibfk_1` FOREIGN KEY (`room_id`) REFERENCES `rooms` (`room_id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=latin1;
CONSTRAINT `schedules_ibfk_1` FOREIGN KEY (`room_id`) REFERENCES `rooms` (`room_id`) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT `schedules_ibfk_2` FOREIGN KEY (`subject_id`) REFERENCES `subjects` (`subject_id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;
--
@@ -58,7 +75,7 @@ CREATE TABLE `sections` (
`section_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`section` varchar(2) DEFAULT NULL,
PRIMARY KEY (`section_id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1;
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;
--
@@ -76,12 +93,15 @@ CREATE TABLE `students` (
`email` varchar(100) NOT NULL,
`class_id` int(10) unsigned NOT NULL,
`schedule_id` int(10) unsigned NOT NULL,
`subject_id` int(10) unsigned NOT NULL,
PRIMARY KEY (`student_id`),
KEY `fk_class` (`class_id`),
KEY `fk_sched` (`schedule_id`),
KEY `fk_subject` (`subject_id`),
CONSTRAINT `students_ibfk_1` FOREIGN KEY (`class_id`) REFERENCES `sections` (`section_id`) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT `students_ibfk_2` FOREIGN KEY (`schedule_id`) REFERENCES `schedules` (`sched_id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=103 DEFAULT CHARSET=latin1;
CONSTRAINT `students_ibfk_2` FOREIGN KEY (`schedule_id`) REFERENCES `schedules` (`sched_id`) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT `students_ibfk_3` FOREIGN KEY (`subject_id`) REFERENCES `subjects` (`subject_id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;