<br /><br /> you may check<br /><ul><li><br /><li><a
href="http://developer.postgresql.org/docs/pgsql/src/tools/backend/index.html">Flowchartof the PostgreSQL
backend</a><li><ahref="http://developer.postgresql.org/pdf/internalpics.pdf">Database Internals Presentation</a><li><a
href="http://developer.postgresql.org/osdn.php">TheImplementation of PostgreSQL</a><br /> in the URL below<br /><br
/><aclass="moz-txt-link-freetext" href="http://developer.postgresql.org/">http://developer.postgresql.org/</a><br /><br
/><br/> Regds<br /> Mallah.<br /><br /> Cláudia Morgado wrote:<br /><blockquote
cite="mid00d701c3a84f$4965d8c0$15011aac@widesoft.com.br"type="cite"><style></style><div><font face="Arial"
size="2"><strong><em>Hello!</em></strong></font></div><div> </div><div><fontface="Arial" size="2">We working currently
withthe Oracle and we would like to know if postgresql has some similar components as the concept of instance, buffer
databasecache, Redo log buffer, datafiles, background process, etc. </font></div><div> </div><div><font face="Arial"
size="2">How postgreworks? It works in memory?</font></div><div> </div><div><font face="Arial" size="2">There is some
figurethat ilustrates your architecture?</font></div><div> </div><div><font face="Arial"
size="2">regards,</font></div><div><fontface="Arial" size="2">Carla Mello e Cláudia
Morgado.</font></div><div> </div></blockquote><br/></ul>