–每500條資料提交一次DECLARE CNT NUMBER(10

有條件的分步刪除資料表中的記錄 

–建立測試表 
create table test as select * from dba_objects;

–建立刪除表的儲存過程  
create or replace procedure deleteTab

–插入語句    
SQL> insert into test select * from dba_objects; 
6374 rows created. 
SQL> / 6374 rows created. 
SQL> / 6374 rows created. 
SQL> commit; 
– 建立刪除的儲存過程 
create or replace procedure deleteTab
/**    
** Usage: run the script to create the proc deleteTab    
**        in SQL*PLUS, type "exec deleteTab(‘Foo’,'ID>=1000000′,’3000′);"    
**        to delete the records in the table "Foo", commit per 3000 records.    
**       Condition with default value ’1=1′ and default Commit batch is 10000.    
**/   
(p_TableName in varchar2,    – The TableName which you want to delete from     
p_Condition in varchar2 default ’1=1′,    – Delete condition, such as "id>=100000"     
p_Count in varchar2 default ’10000′    – Commit after delete How many records)   
as pragma autonomous_transaction;    
n_delete number:=0;   
begin    
while 1=1 loop      
EXECUTE IMMEDIATE        
‘delete from ‘||p_TableName||‘ where ‘||p_Condition||‘ and rownum <= :rn’      
USING p_Count;      
if SQL%NOTFOUND then 
exit;      
else           
n_delete:=n_delete + SQL%ROWCOUNT;      
end if;      
commit;    
end loop;    
commit;    
DBMS_OUTPUT.PUT_LINE(‘Finished!’);    
DBMS_OUTPUT.PUT_LINE(‘Totally ‘||to_char(n_delete)||‘ records deleted!’);   
end;   /

–執行語句 
SQL> exec deleteTab(‘TEST’,‘object_id >0′,’10000′)