Cursor with order by : Cursor Declaration « Cursor « Oracle PL/SQL Tutorial






SQL>
SQL> CREATE TABLE employee
  2  (employee_id         NUMBER(7),
  3   employee_last_name  VARCHAR2(25),
  4   employee_first_name VARCHAR2(25),
  5   userid              VARCHAR2(8),
  6   start_date          DATE,
  7   comments            VARCHAR2(255),
  8   manager_id          NUMBER(7),
  9   title               VARCHAR2(25),
 10   department_id       NUMBER(7),
 11   salary              NUMBER(11, 2),
 12   commission_pct      NUMBER(4, 2)
 13  );

Table created.

SQL>
SQL> INSERT INTO employee VALUES (1, 'V', 'Ben', 'cv',to_date('03-MAR-90 8:30', 'dd-mon-yy hh24:mi'),NULL, NULL, 'PRESIDENT', 50, 2500, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (2, 'N', 'Haidy', 'ln', '08-MAR-90', NULL,1, 'VP, OPERATIONS', 41, 1450, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (3, 'N', 'Molly', 'mn', '17-JUN-91',NULL, 1, 'VP, SALES', 31, 1400, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (4, 'S', 'Mark', 'mq', '07-APR-90',NULL, 1, 'VP, FINANCE', 10, 1450, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (5, 'R', 'AUDRY', 'ar', '04-MAR-90',NULL, 1, 'VP, ADMINISTRATION', 50, 1550, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (6, 'U', 'MOLLY', 'mu', '18-JAN-91',NULL, 2, 'WAREHOUSE MANAGER', 41, 1200, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (7, 'M', 'ROBERTA', 'rm', '14-MAY-90',NULL, 2, 'WAREHOUSE MANAGER', 41, 1250, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (8, 'B', 'BEN', 'ry', '07-APR-90', NULL, 2,'WAREHOUSE MANAGER', 41, 1100, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (9, 'C', 'Jane', 'ac', '09-FEB-92',NULL, 2, 'WAREHOUSE MANAGER', 41, 1300, NULL);

1 row created.

SQL> INSERT INTO employee VALUES (10, 'H', 'Mart', 'mh', '27-FEB-91', NULL, 2,'WAREHOUSE MANAGER', 41, 1307, NULL);

1 row created.

SQL>
SQL>
SQL> DECLARE
  2     CURSOR cur_employee IS
  3        SELECT employee_last_name || ', ' ||
  4               employee_first_name name,
  5               DECODE(commission_pct, NULL, 'NO',0, 'NO', 'YES') comm_flag
  6        FROM   employee
  7        ORDER BY DECODE(COMMISSION_PCT, NULL, 'NO',0, 'NO', 'YES') DESC;
  8  BEGIN
  9     FOR lv_cur_employee_rec IN cur_employee LOOP
 10        DBMS_OUTPUT.PUT_LINE(lv_cur_employee_rec.name || CHR(9) ||
 11           'Commission?: ' || lv_cur_employee_rec.comm_flag);
 12    END LOOP;
 13  END;
 14  /
V, Ben  Commission?: NO
N, Haidy        Commission?: NO
N, Molly        Commission?: NO
S, Mark Commission?: NO
H, Mart Commission?: NO
U, MOLLY        Commission?: NO
M, ROBERTA      Commission?: NO
B, BEN  Commission?: NO
C, Jane Commission?: NO
R, AUDRY        Commission?: NO

PL/SQL procedure successfully completed.

SQL>
SQL>
SQL> drop table employee;

Table dropped.

SQL>








25.2.Cursor Declaration
25.2.1.Declare cursor
25.2.2.VARRAY of Cursor
25.2.3.Select column value into a cursor variable
25.2.4.Use cursor variables
25.2.5.Use the cursor subquery
25.2.6.Returning more than one piece of information: Listing the variables separately
25.2.7.Defining a Record Type for a Cursor by Using %ROWTYPE
25.2.8.Declaring a Cursor within a Procedure
25.2.9.Defining a Cursor in an Anonymous PL/SQL Block
25.2.10.Defining cursors in the package body
25.2.11.Defining cursors in the package specification
25.2.12.Using SELECT * in a Cursor
25.2.13.Cursor for object table
25.2.14.Cursor with order by
25.2.15.Cursor rowid
25.2.16.Cursor for aggregate function