APEX 4.2.5: Calculated column, how to?

Good afternoon

I've followed columns in a table:

first name

last_name

complete_name

The complete_name column should be filled in as: last_name + "," + name »»

Example:

name = James

last_Name = Bond

complete_name = Bond, James


The complete_name column is used as a unique key.

What is the best practice to achieve this?

Kind regards.

Wilfried

IMO with trigger;

create table a_name
(first_name varchar2(20),
last_name varchar2(20),
complete_name varchar2(40) unique);

Tags: Database

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