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Enforcing a primary key in a control block Oracle Forms 6i [message #454594]

Thu, 06 May 2010 06:57

razaimran
Messages: 6
Registered: May 2010
Location: Programmer

Junior Member

I have created a data Bolck Manually.I had used select query to fetch records into the data block.
There's and add button in the form to add more records to this block.Now WhEn i press add buton and enter new records i want to ensure the Primary key ie the the new record entered does not repeat across the block.I cannot loop through and check as the number of records fetched is quite huge.

Please How can i enforce a primary key in a control block Oracle Forms 6i.
Thanks in Advance
Imr

[Updated on: Thu, 06 May 2010 08:16]

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Re: Enforcing a primary key in a control block Oracle Forms 6i [message #454652 is a reply to message #454594]

Thu, 06 May 2010 13:12

klat
Messages: 87
Registered: May 2009
Location: Mumbai

Member

Quote:

I have created a data Bolck Manually.I had used select query to fetch records into the da..

Quote:

Please How can i enforce a primary key in a control block Oracle..

I don't think that it is logical to enforce primary key into a control block. Now if you are fetching data using a From Clause Query, How you are inserting data into table? probably you may be using an insert statement? so why cant you use exceptions handlers(DUP_VAL_ON_INDX) to find whether primary key is violated or not.?

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Re: Enforcing a primary key in a control block Oracle Forms 6i [message #454675 is a reply to message #454594]

Thu, 06 May 2010 15:58

Littlefoot
Messages: 21823
Registered: June 2005
Location: Croatia, Europe

Senior Member
Account Moderator

I don't quite understand reasons that lead to such a design, but - you could use a sequence (an Oracle database object) for a primary key.

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