After you've set up multiple tables in your
Microsoft Access database, you need a way of telling Access how to bring that
information back together again. The first step in this process is to define
relationships between your tables. After you've done that, you can create
queries, forms, and reports to display information from several tables at once.
A relationship works by matching data in key fields - usually a field with the
same name in both tables. In most cases, these matching fields are the primary
key from one table, which provides a unique identifier for each record, and a
foreign key in the other table. For example, teachers can be associated with the
students they're responsible for by creating a relationship between the
teacher's table and the student's table using the TeacherID fields.
Having met the criteria above, follow these steps for creating relationships
In the database window view, at the top, click on Tools --->
Select the Tables you want to link together, by clicking on them and
selecting the Add Button
Drag the primary key of the Parent table (Teacher in this case), and
drop it into the same field in the Child table (Student in this case.)
Select Enforce Referential Integrity
When the Cascade Update Related Fields check box is set,
changing a primary key value in the primary table automatically
updates the matching value in all related records.
When the Cascade Delete Related Records check box is set,
deleting a record in the primary table deletes any related records
in the related table
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Introduction into Microsoft Access,Creating New, and Opening Existing Databases,Creating a database using a wizard,Creating a database without using a wizard,Tables - What they are and how they work,Create a table from scratch in Design view,Primary Keys,Switching Views,Entering Data,Manipulating Data