Relationships - I have the wrong one

D

Dan Pickard

Hi,

I am re-creating an Approach database in Access and I am having problems
with my relationships. In Approach the Join that is created is ; -

Insert - "If no records match the "Otherset" record, typing into a blank
"Locations" field inserts a new record.
Insert - "If no records match the "Location" record, typing into a blank
"Otherset" field inserts a new record.

The relationship is created on the ID fields of both tables but when I am
trying to replicate this in Access I end up with the ID numbers being shown
for the "Otherset" table so lots of duplicate numbers and not the ID numbers
for the "Locations" table as I wanted.

I thought the relationship in Access was a one to many (one being
"Location", many being "otherset") with a Join Property of option 2 (include
ALL records from 'tblLocation' and only those records from 'tblOtherset'
where the joined fields are equal). But obviously I am mistaken.

Any advice or ideas would be greatly appreciated.

--
Dan Pickard
-----------------------------
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A

Arvin Meyer [MVP]

As near as I can figure, the relationship should be 1 to many with Locations
being on the 1 side. Leave the Join property alone, (except when writing a
query), and enforce referential integrity. The many side can have as many
duplicates as necessary. You can make one or more fields on the many side
unique so that there will only be duplicates allowed in the foreign key
field.

The only way to insert new records is through forms. There are no triggers
in Access, so there is no mechanism to automatically insert a record. You
can automatically delete records from the many side by setting cascade
deletes.
--
Arvin Meyer, MCP, MVP
Microsoft Access
Free Access downloads:
http://www.datastrat.com
http://www.mvps.org/access
 

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