Quản lý thủ tục trong Oracle Database

select * from DBA_PROCEDURES

select * from dba_errors

CREATE PROCEDURE

CREATE PROCEDURE remove_emp (employee_id NUMBER) AS

   tot_emps NUMBER;

   BEGIN

      DELETE FROM employees

      WHERE employees.employee_id = remove_emp.employee_id;

   tot_emps := tot_emps - 1;

   END;

ALTER PROCEDURE 

ALTER PROCEDURE hr.remove_emp COMPILE;

DROP PROCEDURE

DROP PROCEDURE hr.remove_emp; 

CAll procedure

SQL> execute hr.remove_emp; 

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