3 ms·
Null != None Null means unknown. Take a look at the difference between open and closed world systems.
by hmottestad 14y ago
Null != None
Null means unknown.
Take a look at the difference between open and closed world systems.
- geon 14y agoNull would mean whatever the programmer inteded it to mean. In the C world it sees to me it tends to mean "nothing", while in SQL it usually means "unknown".