ORA-12838: cannot read/modify an object after modifying it in parallel

SQL> ALTER SESSION FORCE PARALLEL DML PARALLEL 4;

Session altered.

SQL> DELETE sh.customers1 WHERE cust_id>10000;

32000 rows deleted.

SQL> select * from sh.customers1;

select * from sh.customers1

* ERROR at line 1:

ORA-12838: cannot read/modify an object after modifying it in parallel


If you modified has table in parallel, then s query the content of that table you get an ORA-12838 error message.

How to solve?

SQL> ALTER SESSION FORCE PARALLEL DML PARALLEL 4;

Session altered.

SQL> DELETE sh.customers1 WHERE cust_id>10000;

32000 rows deleted.

SQL> commit or rollback

then

SQL> select * from sh.customers1;


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About oracledocuments

Zekeriya Beşiroğlu, It joined the Bilginc IT Academy in July 2000. In the meantime, the Oracle Education, Oracle Data Base Management System and Oracle Internet Technologies, Oracle development technologies such as the training of Oracle products is responsible for training as consultants. During this task, since 1 April 2008 with 293 Oracle training in total, in 2150 Oracle customers successfully submitted. Oracle 10g New York in November 2002 have received training and education in Turkey was the first time the consultants. 20 April 2008 on education in Turkey 11g is the first who was a consultant. Oracle Real Application Cluster Expert advisor is certified is the first . Http://zekeriyabesiroglu.blogspot.com and Http://www.oracleforum.info owner and manager of the site. Its own has more than one hundred articles. In addition, creation and improvement of training materials are also related to work. Oracle products are used, database management and reporting Academy eruditely It also is working on. From the date of 1 January 2009 will continue to work as the Technical Director
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