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A relationship in Access is a connection between two tables that defines how the data in those tables are related. Creating a relationship can help you ensure data integrity, enforce referential integrity, and perform queries that combine data from multiple tables. To create a relationship in Access, follow these steps:
– Open the database that contains the tables you want to relate.
– On the Database Tools tab, in the Relationships group, click Relationships.
– If you have not yet defined any relationships, the Show Table dialog box automatically appears. If you have already defined relationships, click Show Table on the Design tab, in the Relationships group.
– In the Show Table dialog box, double-click each table that you want to include in the relationship, and then click Close.
– Drag the field that you want to relate from one table to the related field in the other table. To drag multiple fields, press Ctrl, click each field, and then drag them.
– In the Edit Relationships dialog box, verify that the field names shown are the common fields for the relationship. If a field name is incorrect, click on it and select the appropriate field from the list.
– To enforce referential integrity for this relationship, select the Enforce Referential Integrity check box. For more information about referential integrity, see the section Enforce referential integrity.
– To specify how records in the related tables can be updated and deleted, click Cascade Update Related Fields or Cascade Delete Related Records. How to create a relationship between two Microsoft Access tables. This is a Microsoft Access tutorial covering how to create a simple HR database. This is part 3.
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You can view your relationships by clicking Relationships on the Database Tools tab. You can also modify or delete your relationships in this view.
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