nullable造句

Invalid length specified for this nullable datatype.

If nullable, it will contain the null value.

Other features include class invariants, non-nullable reference types, and enhanced static analysis capabilities.

newly added not nullable column(s) are involved in the primary key or unique index(constraint).

只有role字段—其默认值为user—通过隐含的nullable约束。

Only the role field - the one that had a default value of user - passed the implicit nullable constraint.

Column '%s' cannot be excluded from a vertical partition because it is neither nullable nor defined with a default value.

If the remote data source cannot handle the null value in a host variable or parameter marker, any function that involves binding a nullable value has to be evaluated locally.