| Attribute name | Options | Default |
| isolation | serializable, uncommitted, committed, repeatable_read | serializable |
| Tag name | File | |
| orion-ejb-jar/enterprise-beans/entity-deployment | orion-ejb.jar.xml | |
Specifies the isolation-level for database actions. The valid values are 'serializable', 'uncommitted', 'committed', 'repeatable_read'.