Hi, i am new to salesforce, i created 6 custom objects based on one package, i cloned data from previous object to newly created object. Now the problem is client wants to create report for comparing data, how can i achieve this?? and what type of report i need to create.
6custom objects having one parent object and remaining are childs to that object. any solution?

i have one object which contains 20 lacks of records with each record having 2 r more attachments, i need those records and attachments to copy another object, every thing is done except attachments can anybody suggest me.

i have one object which contains 20 lacks of records with each record having 2 r more attachments, i need those records and attachments to copy another object, every thing is done except attachments can anybody suggest me.