Here's what the table structure looks like: What I need to do is set a constraint such that the ... I just used a generalized example because I didn't want anyone getting bogged down in domain ...

A check constraint in a database is a rule that ensures that data meets a specific condition by restricting what data can be stored in a column. An example could be when creating a table in SQL ...

ALTER TABLE column_constraint specifies the properties of a PRIMARY KEY, FOREIGN KEY, UNIQUE, or CHECK constraint that is part of a new column definition added to a table. Is the name of the ...

SQL Server allows you to define cascading referential integrity constraints. These actions have a trickle-down or cascading effect, sometimes affecting several tables that were related to the ...

DESC constraints; (otherwise SQL Server will name them with a random name, which makes it really difficult to upgrade more than one system with a general upgrade script). A FOREIGN KEY is a field (or ...