Question : Find people assigned to at least one instance of Viper ship class

Using the BSG database described in this Quiz's description, find the fname and lname of all people who are assigned to at least one instance of a Viper class ship (this includes all variants of Viper class ships). Return only a single row per person and sort by fname in ascending order.

Schema

SQL Database

DROP TABLE IF EXISTS `bsg_cert`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `bsg_cert` ( `id` int(11) NOT NULL AUTO_INCREMENT, `title` varchar(255) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1; /*!40101 SET character_set_client = @saved_cs_client */;

-- -- Dumping data for table `bsg_cert` --

LOCK TABLES `bsg_cert` WRITE; /*!40000 ALTER TABLE `bsg_cert` DISABLE KEYS */; INSERT INTO `bsg_cert` VALUES (1,'Raptor'),(2,'Viper'),(3,'Mechanic'),(4,'Command'); /*!40000 ALTER TABLE `bsg_cert` ENABLE KEYS */; UNLOCK TABLES;

-- -- Table structure for table `bsg_cert_people` --

DROP TABLE IF EXISTS `bsg_cert_people`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `bsg_cert_people` ( `cid` int(11) NOT NULL DEFAULT '0', `pid` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`cid`,`pid`), KEY `pid` (`pid`), CONSTRAINT `bsg_cert_people_ibfk_1` FOREIGN KEY (`cid`) REFERENCES `bsg_cert` (`id`), CONSTRAINT `bsg_cert_people_ibfk_2` FOREIGN KEY (`pid`) REFERENCES `bsg_people` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; /*!40101 SET character_set_client = @saved_cs_client */;

-- -- Dumping data for table `bsg_cert_people` --

LOCK TABLES `bsg_cert_people` WRITE; /*!40000 ALTER TABLE `bsg_cert_people` DISABLE KEYS */; INSERT INTO `bsg_cert_people` VALUES (2,2),(4,2),(4,3),(2,4),(4,6),(1,7),(3,8),(3,9),(1,12),(1,14); /*!40000 ALTER TABLE `bsg_cert_people` ENABLE KEYS */; UNLOCK TABLES;

-- -- Table structure for table `bsg_people` --

DROP TABLE IF EXISTS `bsg_people`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `bsg_people` ( `id` int(11) NOT NULL AUTO_INCREMENT, `fname` varchar(255) NOT NULL, `lname` varchar(255) DEFAULT NULL, `homeworld` int(11) DEFAULT NULL, `age` int(11) DEFAULT NULL, PRIMARY KEY (`id`), KEY `homeworld` (`homeworld`), CONSTRAINT `bsg_people_ibfk_1` FOREIGN KEY (`homeworld`) REFERENCES `bsg_planets` (`id`) ON DELETE SET NULL ON UPDATE CASCADE ) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1; /*!40101 SET character_set_client = @saved_cs_client */;

-- -- Dumping data for table `bsg_people` --

LOCK TABLES `bsg_people` WRITE; /*!40000 ALTER TABLE `bsg_people` DISABLE KEYS */; INSERT INTO `bsg_people` VALUES (1,'William','Adama',3,61),(2,'Lee','Adama',3,30),(3,'Laura','Roslin',3,NULL),(4,'Kara','Thrace',3,NULL),(5,'Gaius','Baltar',3,NULL),(6,'Saul','Tigh',NULL,71),(7,'Karl','Agathon',1,NULL),(8,'Galen','Tyrol',1,32),(9,'Callandra','Henderson',NULL,NULL),(10,'TestPerson',NULL,1,NULL),(11,'Samuel','Anders',19,NULL),(12,'Margaret','Edmondson',NULL,NULL),(13,'Brendan','Costanza',NULL,36),(14,'Sharon','Valerii',23,NULL); /*!40000 ALTER TABLE `bsg_people` ENABLE KEYS */; UNLOCK TABLES;

-- -- Table structure for table `bsg_planets` --

DROP TABLE IF EXISTS `bsg_planets`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `bsg_planets` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(255) NOT NULL, `population` bigint(20) DEFAULT NULL, `language` varchar(255) DEFAULT NULL, `capital` varchar(255) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `name` (`name`) ) ENGINE=InnoDB AUTO_INCREMENT=24 DEFAULT CHARSET=latin1; /*!40101 SET character_set_client = @saved_cs_client */;

-- -- Dumping data for table `bsg_planets` --

LOCK TABLES `bsg_planets` WRITE; /*!40000 ALTER TABLE `bsg_planets` DISABLE KEYS */; INSERT INTO `bsg_planets` VALUES (1,'Gemenon',2800000000,'Old Gemenese','Oranu'),(2,'Leonis',2600000000,'Leonese','Luminere'),(3,'Caprica',4900000000,'Caprican','Caprica City'),(7,'Sagittaron',1700000000,NULL,'Tawa'),(16,'Aquaria',25000,NULL,NULL),(17,'Canceron',6700000000,NULL,'Hades'),(18,'Libran',2100000,NULL,NULL),(19,'Picon',1400000000,NULL,'Queestown'),(20,'Scorpia',450000000,NULL,'Celeste'),(21,'Tauron',2500000000,'Tauron','Hypatia'),(22,'Virgon',4300000000,NULL,'Boskirk'),(23,'Troy',NULL,NULL,NULL); /*!40000 ALTER TABLE `bsg_planets` ENABLE KEYS */; UNLOCK TABLES;

-- -- Table structure for table `bsg_ship_assignment` --

DROP TABLE IF EXISTS `bsg_ship_assignment`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `bsg_ship_assignment` ( `pid` int(11) NOT NULL, `cid` int(11) NOT NULL, `sid` int(11) NOT NULL, PRIMARY KEY (`pid`,`cid`,`sid`), KEY `sid` (`sid`), KEY `cid` (`cid`,`sid`), CONSTRAINT `bsg_ship_assignment_ibfk_2` FOREIGN KEY (`cid`, `sid`) REFERENCES `bsg_ship_instance` (`class`, `id`), CONSTRAINT `bsg_ship_assignment_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `bsg_people` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; /*!40101 SET character_set_client = @saved_cs_client */;

-- -- Dumping data for table `bsg_ship_assignment` --

LOCK TABLES `bsg_ship_assignment` WRITE; /*!40000 ALTER TABLE `bsg_ship_assignment` DISABLE KEYS */; INSERT INTO `bsg_ship_assignment` VALUES (1,1,1),(2,2,1),(8,1,1),(9,1,1),(13,3,3),(13,3,87),(2,4,121),(12,3,179),(2,4,289),(5,4,289),(4,5,316),(12,3,621),(13,3,621),(2,4,1104),(3,5,2343),(13,5,2343),(11,5,3203),(13,4,7242),(1,5,8757),(11,5,8757); /*!40000 ALTER TABLE `bsg_ship_assignment` ENABLE KEYS */; UNLOCK TABLES;

-- -- Table structure for table `bsg_ship_class` --

DROP TABLE IF EXISTS `bsg_ship_class`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `bsg_ship_class` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(1000) NOT NULL, `variant` varchar(1000) DEFAULT NULL, `LOA` int(11) DEFAULT NULL, `crew_capacity` int(11) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=latin1; /*!40101 SET character_set_client = @saved_cs_client */;

-- -- Dumping data for table `bsg_ship_class` --

LOCK TABLES `bsg_ship_class` WRITE; /*!40000 ALTER TABLE `bsg_ship_class` DISABLE KEYS */; INSERT INTO `bsg_ship_class` VALUES (1,'Battlestar','Galactica',4720,5000),(2,'Battlestar','Pegasus',5872,1750),(3,'Raptor',NULL,28,10),(4,'Viper','Mk II',28,1),(5,'Viper','Mk VII',32,1),(6,'Colonial One',NULL,277,150),(7,'Astral Queen',NULL,NULL,1500),(8,'Gemenon Traveler',NULL,197,NULL); /*!40000 ALTER TABLE `bsg_ship_class` ENABLE KEYS */; UNLOCK TABLES;

-- -- Table structure for table `bsg_ship_instance` --

DROP TABLE IF EXISTS `bsg_ship_instance`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `bsg_ship_instance` ( `id` int(11) NOT NULL, `class` int(11) NOT NULL, `operational` tinyint(1) DEFAULT NULL, `based_in_id` int(11) DEFAULT NULL, `based_in_class` int(11) DEFAULT NULL, PRIMARY KEY (`id`,`class`), KEY `class` (`class`), KEY `based_in_id` (`based_in_id`,`based_in_class`), CONSTRAINT `bsg_ship_instance_ibfk_2` FOREIGN KEY (`based_in_id`, `based_in_class`) REFERENCES `bsg_ship_instance` (`id`, `class`), CONSTRAINT `bsg_ship_instance_ibfk_1` FOREIGN KEY (`class`) REFERENCES `bsg_ship_class` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; /*!40101 SET character_set_client = @saved_cs_client */;

-- -- Dumping data for table `bsg_ship_instance` --

LOCK TABLES `bsg_ship_instance` WRITE; /*!40000 ALTER TABLE `bsg_ship_instance` DISABLE KEYS */; INSERT INTO `bsg_ship_instance` VALUES (1,1,1,NULL,NULL),(1,2,1,NULL,NULL),(1,3,0,1,1),(2,3,1,1,1),(3,3,0,1,1),(24,5,1,1,1),(27,3,1,1,1),(42,3,0,1,1),(87,3,1,1,1),(121,4,1,1,1),(124,3,1,1,1),(179,3,1,1,2),(289,4,0,1,1),(305,3,0,1,1),(312,5,1,1,2),(313,5,1,1,2),(316,5,1,1,2),(372,5,1,1,2),(412,5,1,1,2),(613,5,1,1,2),(621,3,0,1,1),(861,3,1,1,2),(923,3,1,1,2),(1104,4,1,1,1),(2220,4,1,1,1),(2276,5,1,1,1),(2306,5,0,NULL,NULL),(2343,5,0,NULL,NULL),(3021,5,0,NULL,NULL),(3203,5,0,NULL,NULL),(3266,4,1,1,1),(3621,5,0,NULL,NULL),(3642,5,0,NULL,NULL),(4267,4,0,1,1),(7242,4,1,1,1),(7961,5,1,1,1),(8754,4,0,1,1),(8757,5,1,1,1); /*!40000 ALTER TABLE `bsg_ship_instance` ENABLE KEYS */; UNLOCK TABLES;