In database applications, a null object is a valid value for a field. This class differentiates between a null value (a null object) and an uninitialised value (the DBNull.Value instance).

Learn some of the best practices for handling null values in Informatica PowerCenter, a popular ETL tool, such as using functions, transformations, and data quality features.

In this context, the intent is that, for these specific circumstances, there is the same consis­tent value. Consistency allows users to always be certain of a value’s meaning once they learn the ...

GitLab CE Mirror | Please open new issues in our issue tracker on GitLab.com - gitlabhq.gitlabhq/doc/development/database/not_null_constraints.md at master · omeos ...

More preferable might be a description of “direct-NULL” when using a NULL and an “indirect-NULL” when using a “NULL value” surrogate. Ultimately, whether a direct-NULL or an indirect-NULL approach is ...