Date, C. J. <br/><br/>
An introduction to database systems. Vol.II 

 - London  Addison-Wesley Publishing Company  1985 
 - xv,383p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data base management
<br/><br/><label>LC Class. No.: </label>QA76.9.D3D367