Revised file updated Documentation for the Auto-Update Enabling Tool FRONT-END AUTO-UPDATE ENABLING TOOL (version for secured database using mdw file) Microsoft Access Front-End Auto-Update Enabling Tool (for secure db) – allows you to quickly add auto-updating to your front-ends that need to use a workgroup file and shortcut to open the database using that shortcut.
If a change to a key creates an invalid relationship, it is said to violate referential integrity.
When referential integrity is enforced (without enabling the cascading options), certain rules apply to the data.
The following list gives some examples of this - A Customer ID Auto Number field in the Customers table is a unique Primary Key and can be related to a numeric field in the Orders table in a One-To-Many relationship.
Free trial available Enforcing Referential Integrity for a relationship in a Microsoft Access database can avoid the loss or inadvertent updating of data records.
You can set Referential Integrity between two tables in Microsoft Access if the following are true - When database tables are linked together, one table is usually called the Parent table and the other (the table that it is linked to) is usually called the Child.
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Designer for Microsoft Access asks you plain-language questions about what you want to manage with your database, and creates the tables and relationships automatically.
This is known as a parent-child relationship between Microsoft Access tables.
Referential Integrity guarantees that there will never be an orphan, a child record without a parent record.