A local function : Function Definition « Stored Procedure Function « Oracle PL / SQL






A local function

    
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>
SQL>
SQL> set serveroutput on
SQL>
SQL> DECLARE
  2    CURSOR myAllLecturer IS
  3      SELECT first_name, last_name
  4        FROM lecturer;
  5
  6    v_FormattedName VARCHAR2(50);
  7
  8    FUNCTION FormatName(p_FirstName IN VARCHAR2,
  9                        p_LastName IN VARCHAR2)
 10      RETURN VARCHAR2 IS
 11    BEGIN
 12      RETURN p_FirstName || ' ' || p_LastName;
 13    END FormatName;
 14
 15  BEGIN
 16    FOR v_StudentRecord IN myAllLecturer LOOP
 17      v_FormattedName :=
 18        FormatName(v_StudentRecord.first_name,
 19                   v_StudentRecord.last_name);
 20      DBMS_OUTPUT.PUT_LINE(v_FormattedName);
 21    END LOOP;
 22  END;
 23  /
Scott Lawson
Mar Wells
Jone Bliss
Man Kyte
Pat Poll
Tim Viper
Barbara Blues
David Large
Chris Elegant
Rose Bond
Rita Johnson
Sharon Clear

PL/SQL procedure successfully completed.

SQL>
SQL> drop table lecturer;

Table dropped.

SQL>

   
    
    
  








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