BOL is Books On Line. It is the reference that comes on the SQL Server CD. When you install the server or client components, it gives you the option to install it.
It is a surprisingly complete reference for SQL Server and it is well worth your time to install it and become familiar with it.
>>>>>>>>>>>>>>>>>>>>>>> Just sittin' around waiting for the servers to crash.
actually it is just one field that needs to be populated. can you please be more specific? Table A has field 1 from which the data needs to be populated to Table B which has field 2