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10.08.2008 at 03:29PM PDT, ID: 23799388
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6.8

Master table to track record in multiple tables

Asked by dommac82 in Access Architecture/Design, Databases Miscellaneous, Microsoft Access Database

Tags: , ,

Hi Experts,

Thanks for your time and knowledge.

I have been asked to take a look at a database at work, I have a bit of experience with Access while no-one else at work does. The database stores Occupational Health and Safety Information; Injuries, Incidents, Machinery Maintenace etc from around the farm. When I opened it up, to my surprise it only has one table with with many colums. Each record only fills in part of the table, the section relating to that record. My natural instinct is to divide this table up; but having all the data in one table comes with one huge advantage; each entry is given an autonumber so has a unique identifier that can be noted on the associated paperwork.
As I said above I have a bit experience with Access, but I have never come accross this design before.

Is there a way of maintaining this Master table autonumber record and linking to a number of different tables?

I have started dividing up the main table using make table queries. The main table name is [OHS] with autonumber Primary key [Reg #]
So far, I have create three new tables [HR], [Inspections] and [Observations]. Each has an autonumber primary key ['table name' ID] eg [HR ID] for HR table. I have linked the [Reg #] from the [OHS] table with [Reg #] field in each of the tables and enforced referential integrity. I have also set the indexed property of the [Reg #] field in the child tables to Yes (no duplicates).

Once I have finished I will delete all field from [OHS] leaving only [Reg #] (maybe also a date).

How could I ensure that each time a new record is entered in any of the child tables; a new record is created in [OHS].[Reg #], and that each [Reg #] only relates to one record in one other table?

I am open to any ideas, you guys (and girls) know a lot more than me and any comments on the best deign for the database would be appreciated.

Thanks again.Start Free Trial
 
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[+][-]10.08.2008 at 03:55PM PDT, ID: 22674280

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[+][-]10.08.2008 at 05:31PM PDT, ID: 22674645

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[+][-]10.09.2008 at 02:09AM PDT, ID: 22676621

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About this solution

Zones: Access Architecture/Design, Databases Miscellaneous, Microsoft Access Database
Tags: Microsoft, Access, 2003
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Solution Provided By: rheitzman
Participating Experts: 2
Solution Grade: B
 
 
[+][-]10.09.2008 at 06:09PM PDT, ID: 22683724

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