The use of tables

Using
Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - production
PL/SQL Release 10.1.0.4.0 - Production
"CORE 10.1.0.4.0 Production."
AMT for 32-bit Windows: Version 10.1.0.4.0 - Production
NLSRTL Version 10.1.0.4.0 - Production

I'm trying to retrieve records from a database (a single table in this case) using three tables as keys. The table is unique to these three elements. The lines I want to come among a long list of more than 1000 points. I don't have the ability to create temporary tables on this server. So, I have three long lists and the first item in each list, when used in the WHERE clause in a SELECT statement returns an element. And the second points on these three lists will retrieve the next item.
I can't just use IN clauses to find these items because they must be combined in the same order as they are on the three lists.

I'm looking for something like this, but I'm running into syntax errors and other errors of logic.
DECLARE

     TYPE Item1_List IS TABLE OF VARCHAR(5);
     TYPE Item2_List IS TABLE OF VARCHAR(3);
     TYPE Item3_List IS TABLE OF VARCHAR(1);
     myItem1 Item1_List;
     myItem2 Item2_List;
     myItem3 Item3_List;

BEGIN
--these three lists are much longer
     myItem1 := Item1_List('11011',
     '11011',
     '86842');

     myItem2 := Item2_List('001',
     '002',
     '001');

     myItem3 := Item3_List(NULL,
     'A',
     NULL,
     NULL);

DECLARE
FOR i IN myItem1.FIRST .. myItem1.LAST
LOOP
     CURSOR c_cur IS
     SELECT 
     Item1,
     Item2,
     Item3,
     Item4
     FROM myTable
     WHERE
     Item1=myItem1(i) AND
     Item2=myItem2(i) AND
     Item3=myItem3(i);
END LOOP;
END;
/
Here I use samples to help, but so far I was not able to make it work:
http://download.Oracle.com/docs/CD/B10501_01/AppDev.920/a96624/05_colls.htm

Some ideas that I have is, perhaps, I should not be using a slider, that instead, I should retrieve these data in another table? The only thing is, I don't know how to make a table to several column :( Other than that, I'm at a loss, and I really hope someone can help :)

Skip

set your cursor might work

DECLARE
   TYPE Item1_List IS TABLE OF VARCHAR (5);

   TYPE Item2_List IS TABLE OF VARCHAR (3);

   TYPE Item3_List IS TABLE OF VARCHAR (1);

   myItem1   Item1_List;
   myItem2   Item2_List;
   myItem3   Item3_List;

   CURSOR c_cur (pItem1 VARCHAR, pItem2 VARCHAR, pItem3 VARCHAR)
   IS
      SELECT Item1,
             Item2,
             Item3,
             Item4
        FROM myTable
       WHERE Item1 = pItem1 AND Item2 = pItem2 AND Item3 = pItem3;

   v_c_cur   c_cur%ROWTYPE;
BEGIN
   --these three lists are much longer
   myItem1 := Item1_List ('11011', '11011', '86842');

   myItem2 := Item2_List ('001', '002', '001');

   myItem3 :=
      Item3_List (NULL,
                  'A',
                  NULL,
                  NULL);

   FOR i IN myItem1.FIRST .. myItem1.LAST
   LOOP
      OPEN c_cur (myItem1 (i), myItem2 (i), myItem3 (i));

      FETCH c_cur INTO v_c_cur;

      LOOP
         IF c_cur%FOUND
         THEN
            NULL;                                          -- your coding here
         ELSIF c_cur%NOTFOUND
         THEN
            EXIT;
         END IF;
      END LOOP;

      IF c_cur%ISOPEN
      THEN
         CLOSE c_cur;
      END IF;
   END LOOP;
END;

Tags: Database

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