Design of Tables

Hello,
I have a table design doubt.
First table called products_mast contains
CONTRACTS_ID (PK) auto_increment,
AGREEMENT_NO,
SUPPLIER_CODE,
START_DATE,
END_DATE
PROD_EXTENSION_NOSecond table called products_det contains
HIRING_ID (PK) auto_increment,
CONTRACTS_ID(FK),
PRODUCT_CODE,
RATEThe above tables are linked with CONTRACTS_ID. Start Dates and End Dates are in first table and product rates in second table.
In my third table TRANSACTIONS contains,
TRANS_ID,
TRANS_REF_NO,
HIRING_ID FK (products_det),
REMARKSIssue I am facing is before the end of contract period, user extends the period and extension numbers are stored in products_mast table and when extension happens new product rates are stored in products_det table.
I would like to link hiring_id of products_det table with TRANSACTIONS table. How can I do this?
Any help is very helpful.
Thanks
Edited by: ponic on May 21, 2012 8:29 PM

There is no table design doubt.
The tables you incompletely specified do not match at all with your description
- There are no 'products' in the product_mast table, there are only 'contracts'
- Each contract can have one or more product_codes in the product_det table, yet a products table is lacking.
- There are no 'extension numbers' in the product_mast table, and even if there were, the contract_id is unique.
So, I would suggest you would go back to the drawing board, wipe this mess, start all over again and do a proper analysis.
Sybrand Bakker
Senior Oracle DBA

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user520056 wrote:
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Hi master;
Sir,
I making accounting system for garment factory chart
of account table I design but
I confused in transaction table how I design make
only one table
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Thanks Visakh
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Please Mark This As Answer if it solved your issue
Please Vote This As Helpful if it helps to solve your issue
Visakh
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