Shulou(Shulou.com)06/01 Report--

In many cases, we have to clean up a large table of data, such as hundreds of millions of dollars, the business can not be stopped, but can only delete, in this case, batch deletion is a good way.

Create or replace procedure delBigTab-- Delete by batch submission (p_TableName in varchar2,-- table name p_Condition in varchar2,-- condition p_Count in varchar2-- number of entries submitted in each batch) as pragma autonomous_transaction; n_delete number: = 0 alternate begin while 1 = 1 loop EXECUTE IMMEDIATE 'delete from' | | p_TableName | | 'where' | | p_Condition | | 'and rownum |

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