您好我正在尝试使用oracle 11g在sqlplus中运行删除语句。它工作正常，因为每次我测试我的程序时，我需要删除几千行，再次测试它，这只是程序的本质。然而，它突然停止删除行，现在只是挂起。我不确定为什么。
SQL> explain plan for delete from ip_address_usages where datetime= '30-SEP-14 22:44:00';
Explained.
SQL> SELECT *
FROM TABLE(DBMS_XPLAN.DISPLAY); 2
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 250311489
----------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
----------------------------------------------------------------------------------------
| 0 | DELETE STATEMENT | | 2295 | 39015 | 7 (0)| 00:00:01 |
| 1 | DELETE | IP_ADDRESS_USAGES | | | | |
|* 2 | TABLE ACCESS FULL| IP_ADDRESS_USAGES | 2295 | 39015 | 7 (0)| 00:00:01 |
----------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
2 - filter("DATETIME"=TO_TIMESTAMP('30-SEP-14 22:44:00'))
14 rows selected.
SQL> delete from ip_address_usages where datetime= '30-SEP-14 22:44:00';