Query tasks completed

CM3010 Databases and Advanced Data Techniques/Week 3/2-lab.sql

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+CREATE DATABASE Astronomy;
+USE Astronomy;
+CREATE TABLE Planets ( 
+    PlanetName VARCHAR(50),
+    DayLength INT,
+    YearLength INT,
+    PRIMARY KEY (PlanetName)
+);
+
+INSERT INTO planets VALUES ('Mercury', 4223, 88);
+INSERT INTO planets VALUES ('Venus', 2802, 225);
+INSERT INTO planets VALUES ('Earth', 24, 365);
+INSERT INTO planets VALUES ('Mars', 25, 687);
+INSERT INTO planets VALUES ('Jupiter', 10, 4331);
+INSERT INTO planets VALUES ('Saturn', 11, 10747);
+INSERT INTO planets VALUES ('Uranus', 17, 30589);
+INSERT INTO planets VALUES ('Neptune', 16, 59800);
+
+SELECT PlanetName FROM planets WHERE DayLength > 24;
+
+
+CREATE TABLE Moons (
+	MoonName VARCHAR(50),
+	PlanetName VARCHAR(50),
+    HasLiquidWater BOOL,
+    PRIMARY KEY (MoonName, PlanetName)
+);
+
+INSERT INTO moons VALUES ('Moon', 'Earth', FALSE);
+INSERT INTO moons VALUES ('Phobos', 'Mars', FALSE);
+INSERT INTO moons VALUES ('Europa', 'Jupiter', TRUE);
+INSERT INTO moons VALUES ('Titan', 'Saturn', FALSE);
+INSERT INTO moons VALUES ('Enceladus', 'Saturn', TRUE);
+INSERT INTO moons VALUES ('Oberon', 'Uranus', FALSE);
+
+SELECT MoonName FROM Moons, Planets WHERE Moons.PlanetName=Planets.PlanetName AND HasLiquidWater = TRUE AND DayLength < 11;