ORA-14466: Data in a read-only partition or subpartition cannot be modified

Error:

SQL> delete from scott.tran where created_date=to_date('01.01.2016','dd.mm.yyyy');
delete from scott.tran where created_date=to_date('01.01.2016','dd.mm.yyyy')
            *
ERROR at line 1:
ORA-14466: Data in a read-only partition or subpartition cannot be modified.

Solution:

For deleting the date from scott.tran table, you need to modify the read only partition to read write state.

1. Find the read-only partition from table.

col PARTITION_NAME for a32
select partition_name, read_only from dba_tab_partitions where table_name='TRAN' and read_only = 'YES';

2. Convert the read only partition to read write.

SQL> alter table tran modify partition tran_201601 read write;

Script for converting all read-only partition to read-write for a table.

SELECT 'ALTER TABLE '||table_name||' MODIFY PARTITION '||partition_name ||' READ WRITE;' from dba_tab_partitions where read-only = 'YES';

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