Database Programming Languages: Deductive, Functional, Impertive and Object Oriented Approaches: Deductive, Functional, Persistent and Object-oriented Approaches 
Williams, Paton, Cooper Trinder and Norman Howard 
 -  Prentice-Hall  1996 
 - 290 p.;  24 cm. 
<br/><br/><label>ISBN: </label>9780131018259 
<br/><br/><label>Dewey Class. No.: </label>005.74