Solution for head quarter database

Question

We have distributed architecture with around 50 database in different locations.
To generate MIS at one server We are doing the following.
1.Take export of selected tables from different locations.
2.Truncate base tables every time before import.
3.Through one procedure migrating data from base tables to query tables.
For ex
1.Export of table emp from site
2.At Central server
create table emp_hq same as emp.
truncate table emp
import of emp table
migration of data from emp to emp_hq
Finally generating MIS from emp_hq table.
My question is wheather above is the right approach and how I can improve the
process?
Problem Areas
import is taking lots of time.

Answer 1

Actually we don'nt have the network connectivity Without network connectivity between the database, your options might be limited to what you are currently doing to move the data.