Oracle stored procedure not working PLS-00306 - sql

Question

i have this questions i am trying to solve and find below what i have solved so far. although the stored procedure haveno error but calling it i get this error :
ERROR at line 2: ORA-06550: line 2, column 3: PLS-00306: wrong
number or types of arguments in call to 'PUB_JOB_COUNT' ORA-06550:
line 2, column 3: PL/SQL: Statement ignored
Requirement:
Create a stored PL/SQL procedure object in the database. The procedure
should insert the publisher’s name, city, telephone number and the
number (count) of jobs he/she requested in the table PublisherDetails
for each Publisher who requested less than three print jobs otherwise
the procedure should display on the screen the publisher name followed
by job number, job start date and job completion date for each job
he/she requested. Screen output (hint: use the concatenation operator
‘||’) should be in the following format:
Please someone help me out please?
Publisher Name: Addison-Wesley
JobNo Start Date Completion Date
12 17-JAN-14 25-JAN-14
14 28-FEB-14 01-APR-14
Finally, a NO-DATA-FOUND exception should be catered for in the
EXCEPTION section and a message displayed on the screen (hint: use
DBMS_OUTPUT.put_line procedure provided by Oracle) informing the user
if such an error arises. Note that in order for DBMS_OUTPUT.put_line
to work in SQL*Plus, you should set SERVEROUTPUT on first. You should
check if the procedure executes properly by invoking the procedure and
checking the content of the PublisherDetails table. Do the following:
a) Create a script file with the necessary code to create the table
PublisherDetails and the PL/SQL procedure in the database; b) Create a
second script file with the following: • An SQL statement that clears
the content of the table PublisherDetails; • A PL/SQL anonymous block
statement to invoke (execute) the PL/SQL procedure; • A SELECT
statement to select all the records in PublisherDetails table.
my tables
publisher(publisherName, publisherCity, phoneNo)
pk
printJob(JobNo, startDate, complitionDate, publisherName)
pk fk(publisher)
publisherdetails(publisherName, publisherCity, phoneNo, JobNo)
pk
Code:
CREATE OR REPLACE PROCEDURE PUB_JOB_COUNT (
JOBNO IN NUMBER
) AS
PUBLISHERNAME PRINTJOB.PUBLISHERNAME%TYPE;
NOTFOUND EXCEPTION;
CURSOR PUBCURSOR IS
SELECT PUBLISHER.PUBLISHERNAME,
PUBLISHER.PUBLISHERCITY,
PUBLISHER.PHONENO,
PRINTJOB.STARTDATE,
PRINTJOB.COMPLETIONDATE,
SUM(JOBNO) AS NUMOFJOBS
FROM PUBLISHER
INNER JOIN PRINTJOB ON PUBLISHER.PUBLISHERNAME = PRINTJOB.PUBLISHERNAME
GROUP BY PUBLISHER.PUBLISHERNAME,
PUBLISHER.PUBLISHERCITY,
PUBLISHER.PHONENO,
PRINTJOB.STARTDATE,
PRINTJOB.COMPLETIONDATE;
PUBREC PUBCURSOR%ROWTYPE;
BEGIN
OPEN PUBCURSOR;
FOR PRINTJOB IN PUBCURSOR LOOP
PUBLISHERNAME := PRINTJOB.PUBLISHERNAME;
DBMS_OUTPUT.PUT_LINE('Publisher Name : ' || PRINTJOB.PUBLISHERNAME);
LOOP
FETCH PUBCURSOR INTO PUBREC;
EXIT WHEN PUBCURSOR%NOTFOUND;
IF PUBREC.NUMOFJOBS <= 3 THEN INSERT INTO PUBLISHERDETAILS VALUES (
PUBREC.PUBLISHERNAME,
PUBREC.PUBLISHERCITY,
PUBREC.PHONENO,
PUBREC.NUMOFJOBS
);
ELSE DBMS_OUTPUT.PUT_LINE(PUBREC.NUMOFJOBS
|| ' '
|| PUBREC.STARTDATE
|| ' '
|| PUBREC.COMPLETIONDATE);
END IF;
END LOOP;
END LOOP;
CLOSE PUBCURSOR;
COMMIT;
EXCEPTION
WHEN NOTFOUND THEN DBMS_OUTPUT.PUT_LINE('Record Not Found');
END;
Gleaned from comments below, the code being used to execute the procedure:
BEGIN
pub_Job_Count;
End;

Answer 1

Your program is expecting an input, a number.
But when you call it, you're not providing said number.
So, the database gets upset and issues this:
PLS-00306: wrong number or types of arguments in call to 'PUB_JOB_COUNT'
To fix it,
BEGIN
pub_Job_Count(1); -- your number is added here, either explicitley or via a variable you add in a DECLARE
END;
/
A basic example
clear screen
create or replace procedure so_missing_inputs (x in integer, y in date) is
begin
dbms_output.put_line('X is: ' || x);
dbms_output.put_line('Y is: ' || to_char(y, 'MM-DD-YYYY HH24:MI:SS'));
end;
/
set serveroutput on
declare
a integer := 2;
b date := sysdate;
begin
-- so_missing_inputs(); -- missing 2 inputes
-- so_missing_inputs(1); -- missing 1 inputs
-- so_missing_inputs(sysdate, 2); -- right number of inputs, but not right data types
so_missing_inputs(x => a, y => b); -- let's be explicit about inputs vs coutning on right order
end;
/
If I run this -
If you were to uncomment one of the previous lines, you'd see the PLS-00306 creep back in.
One final note, on DBMS_OUTPUT. It's a good way to see what things are happening while 'debugging' your code, but it's not a good way to communicate things outside the PL/SQL program.