PLSQL procedure execution error invalid statement
问题 I'm following a tutorial on PL/SQL http://www.plsqltutorial.com/plsql-procedure/. I have created procedure with the following code on apex: CREATE OR REPLACE PROCEDURE adjust_salary( in_employee_id IN EMPLOYEES.EMPLOYEE_ID%TYPE, in_percent IN NUMBER ) IS BEGIN UPDATE EMPLOYEES SET salary = salary + salary * in_percent / 100 WHERE employee_id = in_employee_id; END; However when I try to run exec adjust_salary(200,5); I got error ORA-00900: invalid SQL statement. What is the problem and how to