Celko, Joe. <br/><br/>
Joe Celko's Trees and hierarchies in SQL for smarties  [electronic resource] / 
 Trees and hierarchies in SQL for smarties 
Joe Celko. 
 - Amsterdam ;  Boston :  Morgan Kaufmann,  c2004. 
 - xii, 224 p. :  ill. ;  24 cm. 
 - Safari Books Online. .
<br/><br/>Includes bibliographical references (p. 215-216) and index. 
<br/><br/>Graphs, trees, and hierarchies -- Adjacency list model -- Path enumeration models -- Nested set model of hierarchies -- Frequent insertion trees -- The linear version of the nested sets model -- Binary trees -- Other models for trees -- Proprietary extensions for trees -- Hierarchies in data modeling -- Hierarchical encoding schemes -- Hierarchical database systems (IMS). 
<br/><br/><br/>Electronic reproduction. <br/>Boston, Mass. : <br/>Safari Books Online, <br/>2009. <br/>Mode of access:  World Wide Web. <br/>Available to subscribing institutions. 
<br/><br/><label>ISBN: </label>9781558609204 1558609202 
<br/><br/><label>Source: </label>CL0500000048  Safari Books Online 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SQL (Computer program language)<br/>Trees (Graph theory)
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.