Hi to all,
I wonder that.When i create a table should i use default value for numeric and alpha numeric fields?
If i use allow null option so is there any decrease performance?
Shortly which of the best way for performance, "allow null" or "not allow null"...
Pls tell me your opinion and if you have a text or link for this subject so let share with me pls.
thanks to all
I've read this text. you should read it before your reply.