[keycloak-dev] Oracle stores an empty string as null

[Stian Thorgersen]

If you try to store an empty string in Oracle it is actually stored as a
null [1].

We actually often store empty strings due to the way AngularJS works. An
empty input on a form ends up being sent as an empty string rather than a
null.

This can lead to all sorts of fun issues. For example
https://issues.jboss.org/browse/KEYCLOAK-5308.

[1]
https://stackoverflow.com/questions/13278773/null-vs-empty-string-in-oracle