Mega Code Archive

Declare variables to be used in the block

SQL> SQL> CREATE TABLE session ( 2 department CHAR(3), 3 course NUMBER(3), 4 description VARCHAR2(2000), 5 max_lecturer NUMBER(3), 6 current_lecturer NUMBER(3), 7 num_credits NUMBER(1), 8 room_id NUMBER(5) 9 ); Table created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('HIS', 101, 'History 101', 30, 11, 4, 20000); 1 row created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('HIS', 301, 'History 301', 30, 0, 4, 20004); 1 row created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('CS', 101, 'Computer Science 101', 50, 0, 4, 20001); 1 row created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('ECN', 203, 'Economics 203', 15, 0, 3, 20002); 1 row created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('CS', 102, 'Computer Science 102', 35, 3, 4, 20003); 1 row created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('MUS', 410, 'Music 410', 5, 4, 3, 20005); 1 row created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('ECN', 101, 'Economics 101', 50, 0, 4, 20007); 1 row created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('NUT', 307, 'Nutrition 307', 20, 2, 4, 20008); 1 row created. SQL> SQL> INSERT INTO session(department, course, description, max_lecturer, current_lecturer, num_credits, room_id) 2 VALUES ('MUS', 100, 'Music 100', 100, 0, 3, NULL); 1 row created. SQL> SQL> DECLARE 2 v_Department CHAR(3) := 'ECN'; 3 v_Course NUMBER(3) := 203; 4 v_Description VARCHAR2(20) := 'Economics 203'; 5 studentMax NUMBER := 15; 6 studentCount NUMBER := 0; 7 v_NumCredits NUMBER := 3; 8 v_RoomID NUMBER := 99997; 9 BEGIN 10 INSERT INTO session (department, course, description, max_lecturer, 11 current_lecturer, num_credits, room_id) 12 VALUES (v_Department, v_Course, v_Description, studentMax, 13 studentCount, v_NumCredits, v_RoomID); 14 END; 15 / PL/SQL procedure successfully completed. SQL> SQL> select * from session; DEP COURSE --- ---------- DESCRIPTION ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- MAX_LECTURER CURRENT_LECTURER NUM_CREDITS ROOM_ID ------------ ---------------- ----------- ---------- HIS 101 History 101 30 11 4 20000 HIS 301 History 301 30 0 4 20004 DEP COURSE --- ---------- DESCRIPTION ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- MAX_LECTURER CURRENT_LECTURER NUM_CREDITS ROOM_ID ------------ ---------------- ----------- ---------- CS 101 Computer Science 101 50 0 4 20001 ECN 203 Economics 203 DEP COURSE --- ---------- DESCRIPTION ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- MAX_LECTURER CURRENT_LECTURER NUM_CREDITS ROOM_ID ------------ ---------------- ----------- ---------- 15 0 3 20002 CS 102 Computer Science 102 35 3 4 20003 MUS 410 DEP COURSE --- ---------- DESCRIPTION ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- MAX_LECTURER CURRENT_LECTURER NUM_CREDITS ROOM_ID ------------ ---------------- ----------- ---------- Music 410 5 4 3 20005 ECN 101 Economics 101 50 0 4 20007 DEP COURSE --- ---------- DESCRIPTION ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- MAX_LECTURER CURRENT_LECTURER NUM_CREDITS ROOM_ID ------------ ---------------- ----------- ---------- NUT 307 Nutrition 307 20 2 4 20008 MUS 100 Music 100 100 0 3 DEP COURSE --- ---------- DESCRIPTION ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- MAX_LECTURER CURRENT_LECTURER NUM_CREDITS ROOM_ID ------------ ---------------- ----------- ---------- ECN 203 Economics 203 15 0 3 99997 10 rows selected. SQL> SQL> drop table session; Table dropped. SQL>