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Categories / Oracle PLSQL / Cursor
 

Explicit cursor with parameter

SQL> SQL> SQL> CREATE TABLE departments   2  (department_id           number(10)            not null,   3   department_name      varchar2(50)      not null,   4   CONSTRAINT departments_pk PRIMARY KEY (department_id)   5  ); Table created. SQL> SQL> SQL> SQL> insert into departments ( department_id, department_name )   2                    values( 1,             'Data Group' ); 1 row created. SQL> SQL> insert into departments ( department_id, department_name )   2                    values( 2,             'Purchasing' ); 1 row created. SQL> SQL> insert into departments ( department_id, department_name )   2                    values( 3,             'Call Center' ); 1 row created. SQL> SQL> insert into departments ( department_id, department_name )   2                    values( 4,             'Communication' ); 1 row created. SQL> SQL> SQL> SQL> CREATE TABLE employees   2  ( employee_id          number(10)      not null,   3    last_name            varchar2(50)      not null,   4    email                varchar2(30),   5    hire_date            date,   6    job_id               varchar2(30),   7    department_id        number(10),   8    salary               number(6),   9    manager_id           number(6),  10    CONSTRAINT           employees_pk PRIMARY KEY (employee_id),  11    CONSTRAINT           fk_departments FOREIGN KEY (department_id) REFERENCES departments(department_id)  12  ); Table created. SQL> SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary,department_id ,manager_id)   2                values ( 1001, 'Lawson', 'lawson@g.com', '01-JAN-2002','MGR', 30000,1 ,1004); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id ,manager_id)   2                values ( 1002, 'Wells', 'wells@g.com', '01-JAN-2002', 'DBA', 20000,2, 1005 ); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id ,manager_id)   2                 values( 1003, 'Bliss', 'bliss@g.com', '01-JAN-2002', 'PROG', 24000,3 ,1004); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id)   2                 values( 1004,  'Kyte', 'tkyte@a.com', SYSDATE-3650, 'MGR',25000 ,4, 1005); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id)   2                 values( 1005, 'Viper', 'sdillon@a .com', SYSDATE, 'PROG', 20000, 1, 1006); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id,manager_id)   2                 values( 1006, 'Beck', 'clbeck@g.com', SYSDATE, 'PROG', 20000, 2, null); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id)   2                 values( 1007, 'Java', 'java01@g.com', SYSDATE, 'PROG', 20000, 3, 1006); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id)   2                 values( 1008, 'Oracle', 'oracle1@g.com', SYSDATE, 'DBA', 20000, 4, 1006); 1 row created. SQL> SQL> select * from employees; EMPLOYEE_ID LAST_NAME                                          EMAIL                          HIRE_DATE JOB_ID                         DEPARTMENT_ID     SALARY MANAGER_ID ----------- -------------------------------------------------- ------------------------------ --------- ------------------------------ ------------- ---------- ----------        1001 Lawson                                             lawson@g.com                   01-JAN-02 MGR                                        1      30000       1004        1002 Wells                                              wells@g.com                    01-JAN-02 DBA                                        2      20000       1005        1003 Bliss                                              bliss@g.com                    01-JAN-02 PROG                                       3      24000       1004        1004 Kyte                                               tkyte@a.com                    14-JUN-98 MGR                                        4      25000       1005        1005 Viper                                              sdillon@a .com                 11-JUN-08 PROG                                       1      20000       1006        1006 Beck                                               clbeck@g.com                   11-JUN-08 PROG                                       2      20000        1007 Java                                               java01@g.com                   11-JUN-08 PROG                                       3      20000       1006        1008 Oracle                                             oracle1@g.com                  11-JUN-08 DBA                                        4      20000       1006 8 rows selected. SQL> SQL> select * from departments; DEPARTMENT_ID Department Names ------------- ------------------------------             1 Data Group             2 Purchasing             3 Call Center             4 Communication SQL> SQL> SQL>  set serverout on SQL> SQL>  declare   2      cursor cursorValue (p_deptid in number)   3      is select *   4           from employees   5          where department_id = p_deptid;   6   7      l_emp employees%rowtype;   8    begin   9      dbms_output.put_line('Getting employees for department 30');  10      open cursorValue(30);  11      loop  12        fetch cursorValue into l_emp;  13        exit when cursorValue%notfound;  14        dbms_output.put('Employee id ' || l_emp.employee_id || ' is ');  15        dbms_output.put_line(l_emp.last_name);  16      end loop;  17      close cursorValue;  18  19      dbms_output.put_line('Getting employees for department 90');  20      open cursorValue(90);  21      loop  22        fetch cursorValue into l_emp;  23        exit when cursorValue%notfound;  24        dbms_output.put('Employee id ' || l_emp.employee_id || ' is ');  25        dbms_output.put_line(l_emp.last_name);  26      end loop;  27      close cursorValue;  28    end;  29    / Getting employees for department 30 Getting employees for department 90 PL/SQL procedure successfully completed. SQL> SQL> drop table employees cascade constraints; Table dropped. SQL> drop table departments cascade constraints; Table dropped.