4 ms·
Well, it will be smaller on disk. I know next to nothing about the phone system, but in some countries there are legitimate numbers starting with 0. So among t
by celoyd 16y ago
Well, it will be smaller on disk.
I know next to nothing about the phone system, but in some countries there are legitimate numbers starting with 0. So among the many problems with this practice, it puts an arbitrary technical limit on your market.
- bigbang 16y agoConverting the phone number to hex and then storing them as character bytes as opposed to long integers, might save even more space on disk at the cost of hex-decimal conversion :)
- dfox 16y agohexadecimal is used, because the conversion is almost free (as oposed to decimal) Also, phone numbers (for last 50 years or so) actually are hexadecimal strings (with extra characters - denoted ABCD*# - reserved for various special purposes).