is apache tomcat a single entity or apache is different from tomcat. which of them is an aplication server and which of them is a web server. what is the difference between web server and application server
i am working on a module of inventory. To add an item to the inventory say chair i assign it a code and then the name chair. now when I have to issue an item in another module, what approach will be best so that user do not have to remember all the codes of an item and nor do I have to show the drop down of all the items.