create_a_package.sql

-- This is a package specification
CREATE OR REPLACE PACKAGE hr.job_pack
AUTHID CURRENT_USER
IS -- Declare package components.
    -- Author: [email protected]
    -- Date: 28-Nov-2017
    -- Procedures to add/update and delete
    -- into the jobs table
    PROCEDURE ADD_JOB (v_job_id VARCHAR2,v_job_title VARCHAR2);
    PROCEDURE UPD_JOB (v_job_id VARCHAR2,v_job_title VARCHAR2);
    PROCEDURE DEL_JOB (v_job_id VARCHAR2);
END;

CREATE OR REPLACE PACKAGE BODY hr.job_pack
IS
    -- Author: [email protected]
    -- Date: 28-Nov-2017
    -- Procedures to add/update and delete
    -- into the jobs table
    PROCEDURE ADD_JOB (v_job_id VARCHAR2,v_job_title VARCHAR2)
    IS
    BEGIN
        INSERT INTO HR.JOBS(JOB_ID,JOB_TITLE)
        VALUES(v_job_id,v_job_title);
    END;
    
    PROCEDURE UPD_JOB (v_job_id VARCHAR2,v_job_title VARCHAR2)
    IS
    BEGIN
        UPDATE hr.jobs
        SET JOB_TITLE=v_job_title
        WHERE job_id=v_job_id;
    END;
    
    PROCEDURE DEL_JOB (v_job_id VARCHAR2)
    IS
    BEGIN
        DELETE FROM hr.jobs
        WHERE job_id=v_job_id;
    END;
END;

-- Invoke the package like this
EXECUTE hr.job_pack.add_job('pr_123','test package')