Informix guide to SQL - vol. 2  tutorial 

 - New Jersey  Prentice-Hall of India  1981 
 - xiv, 1-1 - 12-16p. : ill. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database system -- SQL<br/>Informix<br/>SQL<br/>SQL -- Tutorial<br/>Structured query language