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ORACLE ÓαêµÄʹÓÃ

declare cursor myCursor is select * from ±íÃû;
myRow myCursor%rowtype;
begin
open myCursor;
loop
fetch myCursor into myRow;
exit when myCursor%notfound;
--ÒªÖ´ÐеÄSQLÓï¾ä
end loop;
end;


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select sysdate,add_months(sysdate,12) from dual;         --¼Ó1Äê
select sysdate,add_months(sysdate,1) from dual;         --¼Ó1ÔÂ
select sysdate,to_char(sysdate+7,'yyyy-mm-dd HH24:MI:SS') from dual;   ......

[Oracle]varchar2Ìæ»»Îªclob(¸Ã×Ö¶ÎÖÐÒÑÓдóÁ¿Êý¾Ý)

alter   table     t_att_over_haul_safe_pres   add   c   clob;  
update   t_att_over_haul_safe_pres   set   c=prt_precautions;  
alter   table   t_att_over_haul_safe_p ......

Oracle SQL Loader

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[oracle 10g]ÃüÁîÐÐÆô¶¯ORACLE·þÎñ¼°Ë³Ðò

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C:\>net start oracleserviceorcl
OracleServic ......
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