Maintaining a mandatory 1-1 relationship: deleting child removes parent

Published: 15/05/2019
Maintaining a mandatory 1-1 relationship: deleting child removes parent
Source: ASKTOM.ORACLE.COM

Our system has a table that is a nominal parent to several other tables. Each of these relationships are 1-1, and there will only be one child per parent. We need to ensure that when deleting a child row that the parent is always deleted as well. ...

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