PROCEDURE DELETE_ROWS ( p_table_name IN varchar2) IS statement_cursor integer; rows_del number; BEGIN statement_cursor := dbms_sql.open_cursor; dbms_sql.parse(statement_cursor, 'delete from '||p_table_name, dbms_sql.native); rows_del := dbms_sql.execute(statement_cursor); -- dbms_sql.fetch_rows dbms_output.put_line('zeilen geloescht '||rows_del); dbms_sql.close_cursor(statement_cursor); END; -- Procedure PROCEDURE COUNT_ROWS ( p_table_name in varchar2 ) IS row_count number; sql_code varchar2(1000); BEGIN sql_code := 'select count(*) from '||p_table_name; -- objekt namen koennen nicht als bind variablen verwendet werden execute immediate sql_code into row_count; dbms_output.put_line(p_table_name ||' contains ' ||row_count||' rows'); END; -- Procedure CREATE OR REPLACE PROCEDURE CREATE_DB_USER authid current_user AS /* cursor ueber alle employees der IT Abteilung und fuer jeden dieser employees einen db user anlegen + falls es den benutzer schon gibt, nichts machen bzw exception fangen */ cursor c_emp_it is select first_name, last_name, salary, department_name from hr.departments d join hr.employees e on d.department_id = e.department_id where department_name = 'IT'; v_cur integer; v_user_count number; v_sql varchar2(100); v_ret number; BEGIN for r_emp in c_emp_it loop dbms_output.put_line(r_emp.last_name); select count(*) into v_user_count from all_users where username = upper(r_emp.last_name); if v_user_count = 0 then execute immediate 'create user '||r_emp.last_name|| ' identified by '||r_emp.last_name; dbms_output.put_line('User '||upper(r_emp.last_name)|| ' created'); end if; end loop; END CREATE_DB_USER;