A package with one method

    

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> CREATE OR REPLACE PACKAGE PersistPkg AS
  2    PRAGMA SERIALLY_REUSABLE;
  3
  4    TYPE t_StudentTable IS TABLE OF lecturer.ID%TYPE
  5      INDEX BY BINARY_INTEGER;
  6
  7    v_MaxRows NUMBER := 5;
  8
  9    PROCEDURE Readlecturer(p_StudTable OUT t_StudentTable,
 10                           p_NumRows   OUT NUMBER);
 11  END PersistPkg;
 12  /

Package created.

SQL>
SQL> CREATE OR REPLACE PACKAGE BODY PersistPkg AS
  2    PRAGMA SERIALLY_REUSABLE;
  3    CURSOR StudentCursor IS
  4      SELECT ID
  5        FROM lecturer
  6        ORDER BY last_name;
  7
  8    PROCEDURE Readlecturer(p_StudTable OUT t_StudentTable,
  9                           p_NumRows   OUT NUMBER) IS
 10      v_Done BOOLEAN := FALSE;
 11      v_NumRows NUMBER := 1;
 12    BEGIN
 13      IF NOT StudentCursor%ISOPEN THEN
 14        OPEN StudentCursor;
 15      END IF;
 16
 17      WHILE NOT v_Done LOOP
 18        FETCH StudentCursor INTO p_StudTable(v_NumRows);
 19        IF StudentCursor%NOTFOUND THEN
 20          CLOSE StudentCursor;
 21          v_Done := TRUE;
 22        ELSE
 23          v_NumRows := v_NumRows + 1;
 24          IF v_NumRows > v_MaxRows THEN
 25            v_Done := TRUE;
 26          END IF;
 27        END IF;
 28      END LOOP;
 29
 30      p_NumRows := v_NumRows - 1;
 31
 32    END Readlecturer;
 33  END PersistPkg;
 34  /

Package body created.

SQL>
SQL> drop table lecturer;

Table dropped.

Related examples in the same category

1.	Create a package declaration and create its body after
2.	Create a package level variable
3.	call utitilities package
4.	Package for output employee table and log message
5.	Package with package level cursor variable
6.	Overloading Packaged Subprograms
7.	A PL/SQL package with two methods
8.	Package level Exception
9.	This package will not compile because the body does not match the specification.
10.	dependencies between an anonymous calling block and package runtime state.
11.	RESTRICT_REFERENCES pragma.
12.	Without RESTRICT_REFERENCES pragma.
13.	Persistance of packaged variables.
14.	Package level variable as global level variable
15.	Global definition
16.	Student fetch package
17.	Cursor operation between package functions
18.	The pragma is not valid at the package level.
19.	Create package and member cursor
20.	Nested package reference
21.	Overloaded packages.
22.	Overloading based on user defined object types.
23.	package RECURSION
24.	Crosss reference between two packages
25.	Counter package
26.	Package initialization.
27.	Packages allows forward references, thus opening the possibilities for recursion.
28.	Use package level type as global variables
29.	Use package member variable to pass value

A package with one method : Package « PL SQL « Oracle PL / SQL

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