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---Muti-row to line(col2row)
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create or replace type str_tab is table of varchar2(20);
/
grant all on str_tab to public;
create public synonym str_tab for ......
INSERT /*+APPEND */ INTO employee (empno,ename,sal,deptno)
SELECT empno,ename,sal,deptno from emp
WHERE deptno=20;
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