Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
unique column constraint
This HTML5 player is not supported by your browser
comp., MS
一意列制約
(A property of a field that requires all of the values in that field to be unique)
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
