the variables should be declared within spec PKG too?
create or replace package test_pkg
as
procedure test_proc (id in number, para2 in number default null );
end;
/
create or replace package body test_pkg
as
procedure test_proc (id in number, para2 in number default null)
as
var1 varchar2();
var2 varchar2();
begin
insert into tgt_tbl
select * from tabl1 where tbl1.col1 = id;
end
my question is
- Do the variables needs to be declared in spec too ?? or is it not necessary to declare the variables in pkg spec, only parameters is fine ???
i,e var1 and var2
Thank you!!!Hello
user642297 wrote:
create or replace package test_pkg as procedure test_proc (id in number, para2 in number default null ); end; / create or replace package body test_pkg as procedure test_proc (id in number, para2 in number default null) as var1 varchar2(); var2 varchar2(); begin insert into tgt_tbl select * from tabl1 where tbl1.col1 = id; end my question is - Do the variables needs to be declared in spec too ?? or is it not necessary to declare the variables in pkg spec,
It is not necessary to declare variables in the package specification. In fact, if you declare the variables var1 and var2 in package specifications, they will be different variables var1 and var2 in test_proc.
Variables used only within a procedure must be declared in the procedure, like var1 and var2 in your example.
The variables declared in the package body will be global to all, but not visible outside the package.
Variables declared in the package specification will be visiible outside the package.
only parameters is fine ??? i,e var1 and var2
Sorry, I don't understand the last part of the question.
Moreover, few matter where you declare a VARCHAR2 variable (not an argument), you must specify the maximum length.
For example
var1 varchar2(100);
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