ORA-12838 错误是 Oracle 数据库中的一个常见错误,具体含义为:“cannot read/write an object after modifying it in parallel”。这个错误通常发生在尝试对已经在并行模式下被修改的对象进行读写操作时。 2. 可能导致 ORA-12838 错误的原因 并行操作冲突:当多个会话(或事务)尝试同时对同一个对象进行并行修改时,...
ORA-12838 在FORM中连续执行了几个 insert /*+ append */ into ,没提交。运行后报12838错误,经查原因如下: 如果用了insert /*+ append */ into table as select .. from table这样的操作来insert,必须在操作后commit,或是rollback,不然就不能再insert /*+ append */ into table as select .. from tab...
PDML is useful in a large data warehousing environment to facilitate bulk updates to massive amounts of data. The PDML operation is executed in much the same way as a distributed query would be executed by Oracle, with each parallel execution server acting like a process in a separate databas...
ERROR at line 1: ORA-12838: cannot read/modify an object after modifying it in parallel 异常原因: 在执行explain plan前的insert语句中用到并行模式插入数据到t_hr_20230117_new表,紧接着该表有用到下一个并行模式的语句里,此种情况需要先提交. 解决过程: HR@orcl150> commit; Commit complete. HR@orc...
ORA-12838: cannot read/modify an object after modifying it in parallel 此错误是在调用过程中出现的。经过查询,是由于在过程中使用了append insert运行后没有及时提交造成。对于此问题,确切的解释是这样的,ORA-12838: cannot read/modify an object after modifying it in parallel ...
* ERROR atline 1: ORA-12838:cannot read/modify an object after modifying it in parallel 异常原因: 在执行explainplan前的insert语句中用到并行模式插入数据到t_hr_20230117_new表,紧接着该表有用到下一个并行模式的语句里,此种情况需要先提交. ...
[链接]ORA-12838错误总结_beliveada-CSDN博客 可以参考一下这个。 如果时凭证的话，建议还是提单处理吧...
ERROR at line 1: ORA-12838: cannot read/modify an object after modifying it in parallel SCOTT@PROD> alter table t noparallel; Table altered. SCOTT@PROD> select dbms_rowid.rowid_relative_fno(rowid),dbms_rowid.rowid_block_number(rowid) from b; ...
ORA-12838: cannot read/modify an object after modifying itinparallel AI代码助手复制代码 查看表并行度 SQL>selecta.degreefromdba_tables awherea.table_name='EMPLOYEE'; DEGREE---1 AI代码助手复制代码 查看锁信息 SELECT o.object_name, o.owner, l...
ORA-12838: 无法在并行模式下修改之后读/修改对象 在执行insert into test select a,select b;后,在查看test的时候报错 ORA-12838: 无法在并行模式下修改之后读/修改对象 ORA-12838: cannot read/modify an object after modifying it in parallel Cause: Within the same transaction, an attempt was made to ...