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SQL code:
SELECT a.str || ' ' || b.str || ' ' || c.str as str, a.intege,b.intege,c.intege
from t_testa a
FULL JOIN t_testb b
ON a.str = b.str
FULL JOIN t_testb c
ON c.str = c.str
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create or replace package PK_test
as
type cur_test is ref cursor;
end PK_test;
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