NEXT & PRIOR Table Attributes : Table of Type « PL SQL « Oracle PL / SQL

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Oracle PL / SQL » PL SQL » Table of Type 
NEXT & PRIOR Table Attributes
    
SQL>
SQL> CREATE TABLE lecturer (
  2    id               NUMBER(5PRIMARY 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);

row created.

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

row created.

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

row created.

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

row created.

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

row created.

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

row created.

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

row created.

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

row created.

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

row created.

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

row created.

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

row created.

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

row created.

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

Table created.

SQL>
SQL>
SQL> DECLARE
  2    TYPE t_MajorTable IS TABLE OF lecturer.major%TYPE
  3      INDEX BY BINARY_INTEGER;
  4    v_Majors t_MajorTable;
  5    v_Index  BINARY_INTEGER;
  6  BEGIN
  7    v_Majors(-7:= 'Computer Science';
  8    v_Majors(4:= 'History';
  9    v_Majors(5:= 'Economics';
 10
 11    v_Index := v_Majors.FIRST;
 12    LOOP
 13      INSERT INTO MyTable (num_col, char_col)
 14        VALUES (v_Index, v_Majors(v_Index));
 15      EXIT WHEN v_Index = v_Majors.LAST;
 16      v_Index := v_Majors.NEXT(v_Index);
 17    END LOOP;
 18  END;
 19  /

PL/SQL procedure successfully completed.

SQL>
SQL> select from MyTable;

   NUM_COL CHAR_COL
---------- ------------------------------------------------------------
        -Computer Science
         History
         Economics

SQL>
SQL> drop table lecturer;

Table dropped.

SQL>
SQL> drop table MyTable;

Table dropped.

SQL>
SQL>

   
    
    
  
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