How can we use packages start section?

Hello guys,.

I'm trying to write a prackages but I do not understand 1 thing, how can we start using the package body section? I mean we can write something in there, but how we run this section?

Thank you very much.

create or replace package my_pck
as
number of num1;
end;

create or replace package body my_pck
as
Start
dbms_output.put_line (' Hello ' | num1);
end;


Set serveroutput on;
Start
/ * WHAT WE CAN WRITE HERE, in order to WRITE "Hello Num ' * /.
end.;

861623 wrote:

I'm trying to write a prackages but I do not understand 1 thing, how can we start using the package body section? I mean we can write something in there, but how we run this section?

You cannot run it directly. It is executed automatically and only once when the package is loaded into memory for the first time by this session.

Think of it as a constructor method. It is very rare that he had to use it. When it is used, for example will do something like read a parameter an array param and therefore define a local package variable. In other words, the code in the main body will be used to set the initial state (which cannot be set using declarations to initialize only variables).

Tags: Database

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