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i have two table product stock and product group in product group table one column is productgroupname that is using in product stock i want if we want to delete product group from product group table we cant do, until we not deleted that group from product stock, please help me
how we can i am using ms access database and .net

Posted 1-Dec-13 22:20pm

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Rak_Avasthy. · Answer 1 · 2013-12-02T00:25:00

Solution 1

try marking this column as primary key in one table and foreign key in another table.

kudos

Posted 2-Dec-13 0:25am

Rak_Avasthy.

thatraja · Answer 2 · 2013-12-02T01:49:00

You should create relationship, check the below kb.
How to define relationships between tables in an Access database[^]

Besdies, you should check the Child Table for matching records exist before deleting Parent Table. Check my recent answer on this topic.
Handle Delete from Grid view have 2 tables with relationships[^]

riteshsingh_jsr · Answer 3 · 2013-12-02T06:49:00

Solution 3

Use the concept Primary Key and Foreign Key.
For help:

http://www.w3schools.com/sql/sql_foreignkey.asp[^]

http://technet.microsoft.com/en-us/library/ms179610.aspx[^]

Posted 2-Dec-13 6:49am

riteshsingh_jsr

Updated 2-Dec-13 7:03am

v2