| explanation needed [message #38386] |
Tue, 16 April 2002 06:52  |
meenu sharma
Messages: 5
Registered: April 2002
|
Junior Member |
|
|
Hi ,
I recently came across the following statement
but haven't been able to understand it.
Can anybody help.
Thanks,
Meenu
Here is the dynamic if statement -
declare
x varchar2(1000) := '1=2 and 4 in(5,6)';
y VARCHAR2(2000) ;
a varchar2(2000);
z number;
begin
y:='declare a varchar2(2000); BEGIN a := ''' || x ||'''; :z:=1; END;';
EXECUTE IMMEDIATE (y) using out z;
if (z=1) then
dbms_output.put_line('True : ' || x);
else
dbms_output.put_line('False : ' || x);
end if;
end;
|
|
|
|
| Re: explanation needed [message #38406 is a reply to message #38386] |
Tue, 16 April 2002 23:57  |
Epe
Messages: 99
Registered: March 2002
|
Member |
|
|
Hello,
as I read it, it's a piece of code to check if the commands in variable y are executed by the "execute immediate" command. If they are executed correctly, z should be returned as out parameter and therefor contain the value 1 (creating the output 'True : ...'), if not null (creating the output 'False : ...').
Comment : I don't see why the variable a is declared in the main program...
I hope your sky cleared up a little bit...
epe
|
|
|
|
] 
Blog
Search
Help
Members
Register
Login
Home
