How to reference one foreign key column with multiple primary key column
1.Foreign keys - IBM
Description:... than one column. Since each foreign key value must ...
multiple times in the foreign key column in ... without a reference.
Foreign key indexes ...
2.sql - Foreign key refering to primary keys across multiple ...
Description:... whose foreign key column I want to reference to primary
keys of ... I think multiple column keys could help ... 1. Create a second
foreign key field in ...
3.sql - Referencing a two column primary key with multiple ...
Description:The compound primary key means column A.A ... Also the
database cannot validate a partial null multiple foreign key, ... one
column foreign key to two column primary ...
4.FOREIGN KEY Constraints
Description:A foreign key (FK) is a column ... In a foreign key reference,
a link is created between two tables when the column or columns that hold
the primary key value for one ...
5.Foreign key references a two column primary key
Description:I have created a Persons table with a two column primary key.
Now, I want to reference ... key when it includes multiple ... a foreign
key with one column ...
6.Primary and Foreign Key Constraints
Description:If a primary key constraint is defined on more than one
column, ... combined even if no primary key or foreign key constraints are
... are multiple triggers on ...
7.SQL PRIMARY KEY Constraint - W3Schools
Description:A primary key column cannot contain NULL values. ... and for
defining a PRIMARY KEY constraint on multiple columns, ... » CSS 1,2,3
Reference
8.Unique key - Wikipedia, the free encyclopedia
Description:... is that a Primary Key must also serve as a Foreign Key on
a ... at most one primary key, ... of one or multiple columns. Each column
participating in the ...
9.Oracle/PLSQL: Foreign Keys - techonthenet.com
Description:The foreign key in the child table will generally reference a
primary key in the ... fk_column FOREIGN KEY ... a foreign key with more
than one field as ...
10.How to: Define Relationships Between Tables Using Access ...
Description:... in one table that references the primary key in ...
shipping table and the foreign key reference to the ... ALTER COLUMN
CustomerID INTEGER PRIMARY KEY
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