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 1£º ¼Ó´ó»Ø¹ö¶Î£¨¿ÉÒÔ¸ø500MÉõÖÁ1G£©
2£º·Ö¶Îcommit
iCount :=1;
for rec in cur_name loop
  insert into  table_name (.....);//DML Lanaguage
if iCount =2000 then
   commit;
   iCount:=0;
else
  iCount:= iCount +1;
end if;
end loop;


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1,
ASCII
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SQL> select ascii(A) A,ascii(a) a,ascii(0) zero,ascii( ) space from dual;
A A ZERO SPACE
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65 97 48 32
2. CHR ......

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ORACLE to_char(),to_date()Ó÷¨

to_date() function
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DAY ÌìµÄÃû×Ö£¬Ê¹ÓÿոñÌî³äµ½9¸ö×Ö·û 
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