retrieving the data from a table

Question

 i created a table called a  i have three fields such as loan,mobilelimit,loan etc and those values are stored in the database.

loan   1000
mobile  500
tds      100


i created another table b  has three fields such as loan,mobile limit and loan.

loan 1000(from a table)
mobile 500(from a  table)
tds   100(from a  table)

  i want to retreive the  a table data to the b table data.

how to do?please send the code.


Rgds,

Narasiman P.