I want to create a table in MySQL that will have a Unique constrant, however I also want the option of putting in NULL. In other words when inserting data into this column it allows me to enter NULL or other then that it has to be unique data.
Help
Jeremy
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.