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create or replace type customtype as object(
ele1 char(7),
ele2 char(3)
);

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l_ele1_c customtype.ele1%type;

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ʵÔÚ²»ÐУ¬¾ÍÖ»Äܶ¨Òål_ele1_c char(7);ÁË¡­¡­
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TABele1 Table_ele1;

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create or replace type customtype as object(
ele1 char(7)
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TABele1 Table_ele1;


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l_type customtype;
l_ele1_c l_type.ele1%type;



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