Since the database is a large entity it is very difficult to maintain it manually and the other thing is you have to go through every single entry to search a particular item which is very time consuming task.
Secondly there will be problem of Data redundancy in manual database.
There are many other disadvantages you can check by searching on Google,
Secondly there will be problem of Data redundancy in manual database.
There are many other disadvantages you can check by searching on Google,