Oh! I thought the 'downloading the database into his brain' was merely computer-speak (using useless fancy words) for the fact that he had *read/seen* the entire SHRA and all its entries at one time or the other and basically that he remembered the entire thing? (like when he accesses the file of Yinsen's death, he hasn't stored the file into his brain as an actual video clip, he's just converted his memory into a file that would also be accessible by a computer/digital reader.)

I actually NEVER EVER EVER even thought of it as he literally downloaded the thing into his brain... Just that him being a computer man, his memories were literally downloadable and of course he knew the contents entire database on his own... o_O