00445nam a2200169 a 450000500170000002000150001708200160003210000230004824500490007126000390012030000270015950000190018663000210020563000150022663000140024163000200025520251203110917.0  a8178670267  a005.74bHAR  aHarrington, Jan L.  aRelational database design clearly explained  aLondonbHarcourt Indiac1998-R2001  axiiic286p.c26 cm. PB  aincludes index  aComputer Science  aData files  aDatabases  aDatabase design