How a Salesforce Formula field will have both Read and edit functionalities.How can we achieve this? Anyone Pls Suggest

How to write trigger to get 

Created Report for Leads. Whenever notes in Lead Object added/created , that notes content should get reflect in a seperate column as description in Reports.So how to write trigger on this. Please support. 

Can anyone suggest on what are the possible ways to export or import bulk files from Source org to Destination Org apart from Data Loader. And, among them, what is the best way of doing it so.

Thanks in Advance!!

How a Salesforce Formula field will have both Read and edit functionalities.How can we achieve this? Anyone Pls Suggest

Can anyone suggest on what are the possible ways to export or import bulk files from Source org to Destination Org apart from Data Loader. And, among them, what is the best way of doing it so.

Thanks in Advance!!