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SQL> variable :num number;
SQL> EXECUTE :num := function_hoge('¤¢¤¤¤¦', TRUE);
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     BEGIN :num := function_hoge('¤¢¤¤¤¦', TRUE); END;
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SQL> print :num
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SQL> variable :num number;
SQL> CALL function_hoge('¤¢¤¤¤¦', TRUE) INTO :num ;
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