Help with a "not in" query

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#233

From: Hugo
Date: Sun, 15 Jun 2008 21:48

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Hello

I am having trouble wit a query, I want to select all the records from 
table_1 that not exist in table_2

Some fields on TABLE_1 and TABLE_2 have to be the same, like 
ID_ARTICULO, ID_VENTA and OPCION

TABLE_1 has 35000+ records

TABLE_2 has 28500+ records

I have tried these two methods, but IBconsole stop responding on both 
methods.



select * FROM TABLE_1
	WHERE ID_VENTA = 20081398
	AND OPCION = 1
	AND ID_ARTICULO NOT IN (
		SELECT ID_ARTICULO FROM TABLE_2
		WHERE ID_VENTA = 20081398
		AND OPCION = 1);


SELECT * FROM TABLE_1 T1
	WHERE T1.ID_VENTA = 20081398
	AND T1.OPCION = 1
	AND NOT EXISTS (
		SELECT * FROM TABLE_2 T2
		WHERE T2.ID_VENTA = 20081398
		AND T2.OPCION = 1
		AND T2.ID_ARTICULO = T1.ID_ARTICULO);

Any help will be appreciated, regards.

Hugo.

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