Bytes to mb: The term MB changed it's

The term MB changed it's definition when some operating systems reported data sizes calling Mega bytes as 1,000,000 bytes which is different than what the disk manufacturers were calling Megabytes. For a variety of reasons, the industry standardized on Megabyte ( MB ) being 10^6 or 1,000,000 bytes , not 2^20 bytes . I got this code to covert size in bytes via PHP. Now I want to convert those sizes to human readable sizes using JavaScript. I tried to convert this code to JavaScript, which looks like this: fun... I am trying to write an application to convert bytes to kb to mb to gb to tb. Here's what I have so far: def size_format (b): if b < 1000: return '%i' % b + 'B' elif 1000 &... Is there any way to find out how much free space is left in a tablespace? After some research (I am not a DBA), I tried the following: select max_bytes- bytes from user_ts_quotas; select sum(nvl( bytes ,0)) from user_free_space; but those queries return completely different results.