Use 'EXIT WHEN studentCursor%NOTFOUND' just after fetch statement : Cursor Not Found « Cursor « Oracle PL / SQL






Use 'EXIT WHEN studentCursor%NOTFOUND' just after fetch statement

  
SQL>
SQL> CREATE TABLE lecturer (
  2    id               NUMBER(5) PRIMARY KEY,
  3    first_name       VARCHAR2(20),
  4    last_name        VARCHAR2(20),
  5    major            VARCHAR2(30),
  6    current_credits  NUMBER(3)
  7    );

Table created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10001, 'Scott', 'Lawson','Computer Science', 11);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major, current_credits)
  2                VALUES (10002, 'Mar', 'Wells','History', 4);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10003, 'Jone', 'Bliss','Computer Science', 8);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10004, 'Man', 'Kyte','Economics', 8);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10005, 'Pat', 'Poll','History', 4);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10006, 'Tim', 'Viper','History', 4);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10007, 'Barbara', 'Blues','Economics', 7);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10008, 'David', 'Large','Music', 4);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10009, 'Chris', 'Elegant','Nutrition', 8);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10010, 'Rose', 'Bond','Music', 7);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10011, 'Rita', 'Johnson','Nutrition', 8);

1 row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10012, 'Sharon', 'Clear','Computer Science', 3);

1 row created.

SQL>
SQL> CREATE TABLE myStudent (
  2    student_id NUMBER(5) NOT NULL,
  3    department CHAR(3)   NOT NULL,
  4    course     NUMBER(3) NOT NULL,
  5    grade      CHAR(1)
  6    );

Table created.

SQL>
SQL>
SQL>
SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10000, 'CS', 102, 'A');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10002, 'CS', 102, 'B');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10003, 'CS', 102, 'C');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10000, 'HIS', 101, 'A');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10001, 'HIS', 101, 'B');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10002, 'HIS', 101, 'B');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10003, 'HIS', 101, 'A');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10004, 'HIS', 101, 'C');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10005, 'HIS', 101, 'C');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10006, 'HIS', 101, 'E');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10007, 'HIS', 101, 'B');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10008, 'HIS', 101, 'A');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10009, 'HIS', 101, 'D');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10010, 'HIS', 101, 'A');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10008, 'NUT', 307, 'A');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10010, 'NUT', 307, 'A');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10009, 'MUS', 410, 'B');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10006, 'MUS', 410, 'E');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10011, 'MUS', 410, 'B');

1 row created.

SQL>
SQL> INSERT INTO myStudent (student_id, department, course, grade)
  2                           VALUES (10000, 'MUS', 410, 'B');

1 row created.

SQL>
SQL>
SQL> CREATE TABLE MyTable (
  2    num_col    NUMBER,
  3    char_col   VARCHAR2(60)
  4    );

Table created.

SQL>
SQL> DECLARE
  2    myLecturerID   lecturer.id%TYPE;
  3    firstName   lecturer.first_name%TYPE;
  4    v_LastName    lecturer.last_name%TYPE;
  5
  6    CURSOR studentCursor IS
  7      SELECT id, first_name, last_name
  8        FROM lecturer
  9        WHERE major = 'History';
 10  BEGIN
 11    OPEN studentCursor;
 12    LOOP
 13      FETCH studentCursor INTO myLecturerID, firstName, v_LastName;
 14
 15      EXIT WHEN studentCursor%NOTFOUND;
 16
 17      INSERT INTO myStudent (student_id, department, course)
 18        VALUES (myLecturerID, 'HIS', 301);
 19
 20      INSERT INTO MyTable (num_col, char_col)
 21        VALUES (myLecturerID, firstName || ' ' || v_LastName);
 22
 23    END LOOP;
 24    CLOSE studentCursor;
 25  END;
 26  /

PL/SQL procedure successfully completed.

SQL>
SQL> select * from lecturer;

      ID FIRST_NAME           LAST_NAME            MAJOR                          CURRENT_CREDITS
-------- -------------------- -------------------- ------------------------------ ---------------
######## Scott                Lawson               Computer Science                         11.00
######## Mar                  Wells                History                                   4.00
######## Jone                 Bliss                Computer Science                          8.00
######## Man                  Kyte                 Economics                                 8.00
######## Pat                  Poll                 History                                   4.00
######## Tim                  Viper                History                                   4.00
######## Barbara              Blues                Economics                                 7.00
######## David                Large                Music                                     4.00
######## Chris                Elegant              Nutrition                                 8.00
######## Rose                 Bond                 Music                                     7.00
######## Rita                 Johnson              Nutrition                                 8.00

      ID FIRST_NAME           LAST_NAME            MAJOR                          CURRENT_CREDITS
-------- -------------------- -------------------- ------------------------------ ---------------
######## Sharon               Clear                Computer Science                          3.00

12 rows selected.

SQL>
SQL> select * from MyTable;

 NUM_COL CHAR_COL
-------- ------------------------------------------------------------
######## Mar Wells
######## Pat Poll
######## Tim Viper

SQL>
SQL> drop table lecturer;

Table dropped.

SQL>
SQL> drop table MyTable;

Table dropped.

SQL>
SQL> drop table myStudent;

Table dropped.

   
  








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