Ask a question about whether it is related to the question, that is csdn forumid=c5eca554-e88a-47bd-873d-58c8014f2f91 behind this string of characters, what is the use of

Ask a question do not know is the problem, is csdn forumid=c5eca554-e88a-47bd-873d-58c8014f2f91 behind this string of characters, what is the use

I have this problem because I see that there are several sites where they all put the title root to the URL behind the link

http://www.lightinthebox.com/ Sequined-bateau-neck-sweep-brush-train-evening-dress-inspired-by-evan-rachel-wood-at-the-emmys_p283066.html

The article has this title: sequined bateau Neck sweep/brush Train Evening Dress Inspired by Evan Rachel Wood at the Emmys

Http://www.lightinthebox.com/A-line-One-Shoulder-Short--Mini-Chiffon-Cocktail-Dress_p169421.html
The article has this title: A-line one shoulder knee-length chiffon Cocktail Dress

Http://stackoverflow.com/questions/11060192/command-to-call-method-from-viewmodel
The title of the article is: Command to call method from ViewModel

The root of the back is to do what is root to the back yo??

------Solution--------------------
prevent others from guessing.
------Solution--------------------
For SEO
------Solution--------------------
Isn't it good? See the URL to know the approximate content
------Solution--------------------
6d86ac8e-51d2-4c9b-9f74-1c2b10c15319
This is a representation of the unique key for Oracle or SQL Server
------Solution--------------------
Equivalent to the ID, but not the number 1,2,3,4.
------Solution--------------------
discuss

Why not come up with a self-increment? Reference:

Equivalent to the ID, but not the number 1,2,3,4.

------Solution--------------------
Explore

Oh
I see, but bigint is a big 20, and there are so many data items in the world? Reference:

Reference:

Why not come up with a self-increment? Reference:

Equivalent to the ID, but not the number 1,2,3,4.


Because the number is big but bigint, sooner or later explode.

------Solution--------------------
discuss
Oh
I see, but bigint is a big 20, and there are so many data items in the world?

