Commit f2b36d8e authored by Bruce Momjian's avatar Bruce Momjian

Clarify wording of foreign key documentation to mention null entries as

not matching the primary key.

Report from Marek.Balgar@seznam.cz
parent 484af9b3
......@@ -688,7 +688,7 @@ CREATE TABLE orders (
quantity integer
);
</programlisting>
Now it is impossible to create orders with
Now it is impossible to create orders with non-NULL
<structfield>product_no</structfield> entries that do not appear in the
products table.
</para>
......
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