The (hte) was just a typo and it was simply supposed to be the word "the"
. There is no difference in the database itself between 32 and 64 bit. You can backup & restore from one to the other or visa versa as long as the versions are the same. You many need new drivers on the server that are 64 bit but the clients should not know the difference. And yes on 64 bit even standard edition of SQL Server will see all the memory without AWE. In fact AWE is ignored in 64 bit SQL Server. But as always you should test first when ever possibe.