Sha256: 1440b7b10f9907ecccc612417c8e9b27b1fa5d8a69ae151a9f8665433cfd4e5f
Contents?: true
Size: 1.59 KB
Versions: 5
Compression:
Stored size: 1.59 KB
Contents
CREATE TABLE AstronomicalObject ( -- AstronomicalObject has AstronomicalObject Code, AstronomicalObjectCode varchar(12) NOT NULL, -- AstronomicalObject is involved in Orbit, IsInOrbit bit NULL, -- maybe AstronomicalObject has Mass, Mass Real(32) NULL, -- maybe AstronomicalObject is a Moon and Moon has Moon Name, MoonName varchar(256) NULL, -- AstronomicalObject is involved in Orbit and Orbit is around AstronomicalObject and AstronomicalObject has AstronomicalObject Code, OrbitCenterAstronomicalObjectCode varchar(12) NULL, -- AstronomicalObject is involved in Orbit and maybe Orbit has a synodic period of Nr Days, OrbitNrDays Real(32) NULL, -- maybe AstronomicalObject is a Planet and Planet has Planet Name, PlanetName varchar(256) NULL, PRIMARY KEY(AstronomicalObjectCode), FOREIGN KEY (OrbitCenterAstronomicalObjectCode) REFERENCES AstronomicalObject (AstronomicalObjectCode) ) GO CREATE VIEW dbo.MoonInAstronomicalObject_Name (MoonName) WITH SCHEMABINDING AS SELECT MoonName FROM dbo.AstronomicalObject WHERE MoonName IS NOT NULL GO CREATE UNIQUE CLUSTERED INDEX PK_MoonInAstronomicalObject ON dbo.MoonInAstronomicalObject_Name(MoonName) GO CREATE VIEW dbo.PlanetInAstronomicalObject_Name (PlanetName) WITH SCHEMABINDING AS SELECT PlanetName FROM dbo.AstronomicalObject WHERE PlanetName IS NOT NULL GO CREATE UNIQUE CLUSTERED INDEX PK_PlanetInAstronomicalObject ON dbo.PlanetInAstronomicalObject_Name(PlanetName) GO
Version data entries
5 entries across 5 versions & 1 rubygems