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Linking tables

Resolved · Low Priority · Version 2007

Reply Mon 23 Mar 2009, 16:29Delegate Jordana said...

Jordana has attended:
Access Intermediate course
Access Advanced course
Access Introduction course

Linking tables

If I link 2 pieces of information in 2 tables and one is deleted or removed, will there be some message that informs me of this?

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Reply Tue 7 Apr 2009, 17:24Trainer Andrew said...

RE: Linking tables

Hi Jordana

Thank you for your quesiton. The feature you are referring to is called Referential Integrity. It can be set when the relationship is created between the tables. Microsoft have an article describing the options:
http://office.microsoft.com/en-us/access/HA100963201033.aspx?pid=CH100645771033

I hope this helps - do let us know if you have any further questions.

Kind regards,
Andrew

Tue 14 Apr 2009: Automatically marked as resolved.

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Access tip:

Deleting duplicate records from a table

You cannot delete records tables where there duplicate records. A way around this is to create a new table which wont hold the duplicates. and then deleting the old table.

1. Use a make-table query based on this table only. IMPORTANT - Ensure that you include all of the fields from your original table or you may loose data.

2. Open the query's property sheet by using VIEW, QUERY, PROPERTIES, and set the Unique Values property to Yes

3. Because you have selected the Unique Values to Yes when you run the query, Access creates a new table without duplicate records. You can now delete the old table and rename the new one.

View all Access hints and tips