How do I enter a value based on condition in a pass with using the trigger.

Hello
I am new bie.

When replicating form mssql 2005 he enters space for null in col oracle clob.
so I wanted to know.
(1) can check constaint change the contents of the column on which it is defined?

as I want to buried null in a column, if entered date is later than the current date on the other the date entered.
I don't want to use triggers or script on the client side.


Yours sincerely

944768 wrote:
Hello
I am new bie.

When replicating form mssql 2005 he enters space for null in col oracle clob.
so I wanted to know.
(1) can check constaint change the contents of the column on which it is defined?

as I want to buried null in a column, if entered date is later than the current date on the other the date entered.
I don't want to use triggers or script on the client side.

# This is not what is a constraint. Constraints to ensure that the data meet the criteria, it does not modify data.
Triggers have been designed to allow the manipulation of data, as it was inserted or changed, allowing access to the Interior: NEW structure they provide.

What is the problem with the help of a trigger for this?
Otherwise, why not change the way in which the 'replicated form' works so that it does not provide a space when she expects a null value?

Without more details, it is difficult to help you, because we do not know which provides the data, what looks like at your table or ultimately what you're trying to reach.

Read: {message identifier: = 9360002}

Tags: Database

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