| Subject | German | English |
| comp., MS | innere Verknüpfung, innerer Join | inner join (An operation that retrieves rows from multiple source tables by comparing the values from columns shared between the source tables. An inner join excludes rows from a source table that have no matching rows in the other source tables) |
| comp., MS | vollständige äußere Verknüpfung, vollständiger äußerer Join | full outer join (A type of outer join in which all rows in all joined tables are included, whether they are matched or not. For example, a full outer join between titles and publishers shows all titles and all publishers, even those that have no match) |