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SQL: select * into b from a where 1<>1;
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SQL: insert into b(a, b, c) select d, e, f from b;
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from TABLE1,(SELECT X.NUM, X.UPD_DATE, Y.UPD_DATE PREV_UPD_DATE
from (SELECT NUM, UPD_DATE, INBOUND_QTY, STOCK_ONHAND
from TABLE2
WHERE TO_CHAR(UPD_DATE,¡¯¡¯YYYY/MM¡¯¡¯) =
TO_CHAR(SYSDATE, ¡¯¡¯YYYY/MM¡¯¡¯)) X,


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