Assertion: integrity's value | /r/HasProperty | allowed
Facets:
Source sentences:
text: constraints NOT NULL constraints To ensure that no null values are allowed
text: This includes data type, data length, default value of data, range of possible values, whether duplicate values are allowed, or whether null values are allowed.
text: This includes data type, data length, default value of data, range of possible values, whether duplicate values are allowed, or whether null values are allowed.