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set oracle_sid=erp;
sqlplus "/as sysdba";
startup;
select * from v$instance;
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create table a(id number);
create table b(id number);
insert into a values(1);
insert into a values(2);
insert into a values(3);
insert into b values(1);
insert into b values(2);
insert into b values(4);
commit;
--×ó:
--Ö÷Á÷Êý¾Ý¿âͨÓõķ½·¨
select * from a left ......
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Redhat
as4 + oracle 10g(10.2.0)
+ freeradius1.1.2+ tomcat5.5
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redhat as4
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oracle 10g
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10201_database_linux32.zip
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oracle 10g
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Êý¾Ý±íday_energyµ±Ç°ÎªÔ·ÖÇø±í£¬·ÖÇøÐÅÏ¢ÈçÏ£ºDE_200912,DE_201001,DE_201002.....,Ô·ÖÇø±í³öÏÖËٶȲéѯÂý£¬Òò´Ëͨ¹ý½¨Á¢ÈÕ·ÖÇø±í½øÐиÄÉÆ¡£
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alter table day_energy split partition de_201001 at('20100102') into (partition de_20100101,partition de_20100102)
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alter table ±íà ......
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S:select abs(-1) value
O:select abs(-1) value from dual
2.È¡Õû(´ó)
S:select ceiling(-1.001) value
O:select ceil(-1.001) value from dual
3.È¡Õû£¨Ð¡£©
S:select floor(-1.001) value
O:select floor(-1.001) value from dual
4.È¡Õû£¨½ØÈ¡£©
S:select cast(-1.002 as int) v ......