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Create or replace procedure NoparProcedureName
is
begin
delete from tablename a where a.id='';
delete from tablename b where b.id='';
exception
end;
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Create or replace procedure ParProcedureName(key_id in char)
is
begin
delete from tablename a where a.id=key_id;
update tablename b set b.name='²âÊÔ' where b.id=key_id;
exception
end;
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Create or replace procedure MyProcedureName(key_id in char,isal out varchar)
is icount number ;
begin
select count(*) into icount from emp where sal>isal ;
if icount==1 then ...
esle
...
end if ;
end
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l S£ºselect abs(-1) value
l O£ºselect abs(-1) value from dual
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l S£ºselect ceiling(-001) value
l O£ºselect ceil(-001) value from dual
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l S£ºselect floor(-001) value  ......
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select ceil(to_date('209-11-17 13:00:12','yyyy-mm-dd hh24:mi-ss')-to_date(2009-11-18 14:00:12','yyyy-mm-dd hh24:mi-ss') )from dual;
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select (EXTRACT(year from to_date('209-11-17','yyyy-mm-dd'))-EXTRACT(year from  ......
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author:skate
tiime:2009-11-18
ORACLEµÈ´ýʼþÀàÐÍ¡¾Classes of Wait Events¡¿
ÿһ¸öµÈ´ýʼþ¶¼ÊôÓÚijһÀ࣬ÏÂÃæ¸ø³öÁËÿһÀàµÈ´ýʼþµÄÃèÊö¡£¡¾Every wait event belongs to a class of wait event.
The following list describes each of the wait classes.¡¿
1. ¹ÜÀíÀࣺAdministrative
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