Title: oracle_tablespaces: simplyfied free space calculation depending on version
Level: 1
Component: checks
Compatible: compat
Version: 1.2.8p12
Date: 1475242264
Class: fix

Oracle version greater than 11:
The size of next extent in datafile is ignored when remaining
free space is > then next extend. Oracle uses all space up to the maximum!

Oracle version lower than 11:
The free space in this table is the current free space plus
the additional space that can be gathered by using all available
remaining increment

