Current location - Plastic Surgery and Aesthetics Network - Plastic surgery and medical aesthetics - How does mysql automatically generate a unique ID of 16 when inserting data?
How does mysql automatically generate a unique ID of 16 when inserting data?
Select MD5 ("admin");

2 1232 f 297 a57a 5a 743894 a0e4a 80 1fc 3

Select time (now ());

15:43:3 1

Select MD5 ("admin"+time (now ()));

5378 f7b 395 babd 8 C4 c 750 10f 1 1d48d 47

This is for 32 people.

What user name can the administrator use instead?

When saving, use mysql insert command and save the field information.