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ORACLE-BASE – DDL With the WAIT Option (DDL_LOCK_TIMEOUT) in Oracle Database 11g Release 1

Posted by jpluimers on 2016/08/23

To work around this error:

ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired

ensure your DDL does wait a bit longer than the default of NOWAIT seconds:

alter session set ddl_lock_timeout=30
;
alter table TABLE_NAME
modify constraint CONSTRAINT_NAME enable
;
commit
;

via ORACLE-BASE – DDL With the WAIT Option (DDL_LOCK_TIMEOUT) in Oracle Database 11g Release 1.

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