12.01.2014, 14:39
Null is unknown. Unknown isn't equal to 0. For example, if you'd want a database entry for the amount of pets someone has: if you don't know the answer, you put NULL. If you know he has none, you put 0.
[QUESTION]: Difference between....
« Next Oldest | Next Newest »
Messages In This Thread
[QUESTION]: Difference between.... - by TH3_R3D™ - 12.01.2014, 14:36
Re: [QUESTION]: Difference between.... - by SilentSoul - 12.01.2014, 14:38
Re: [QUESTION]: Difference between.... - by Vince - 12.01.2014, 14:39
Re: [QUESTION]: Difference between.... - by TH3_R3D™ - 12.01.2014, 14:42
Users browsing this thread: 1 Guest(s)