Query problem

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#11250

From: Donato Verrastro
Date: Fri, 29 Nov 2002 11:09

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I have a problem to write a query. Can you help me?
I have a two table:
CREATE TABLE1 (COD NUMBER(10,0),
                               YEAR NUMBER(10,0),
                               SUBCOD NUMBER(10,0),
                               ..,
                               PRIMARY KEY(COD,YEAR,SUBCOD));
and table2
CREATE TABLE2 (COD NUMBER(10,0),
                                YEAR NUMBER(10,0),
                                SUBCOD NUMBER(10,0),
                                ..,
                                PRIMARY KEY(COD,YEAR,SUBCOD));
I want to insert in TABLE1 all record of TABLE2 that are not present in
TABLE1.
How can I do this query?
I have write the following query but i think that it isn't correct.
INSERT INTO TABLE1
  SELECT .... FROM TABLE2
  WHERE COD||'-'||YEAR||'-'||SUBCOD NOT IN (SELECT
COD||'-'||YEAR||'-'||SUBCOD FROM TABLE2);
Thank you in advance
Donato Verrastro

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From: "Donato Verrastro" <donato.verrastro@libero.it>
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Subject: Query problem
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