CRM/CoreDomaincivicrm_domainTop-level hierarchy to support multi-org/domain installations. Define domains for multi-org installs, else all contacts belong to one domain.1.1 id int unsigned true Domain ID Number 1.1 id true name varchar 64 Name of Domain / Organization 1.1 Text description varchar 255 Description of Domain. 1.1 Text UI_name name true 1.1 config_backend text Backend configuration. PHP 1.6 5.23 version varchar 32 The civicrm version this instance is running 2.0 contact_id int unsigned FK to Contact ID. This is specifically not an FK to avoid circular constraints Contact 4.3 contact_id civicrm_contact id 4.3 locales text list of locales supported by the current db state (NULL for single-lang install) SEPARATOR_TRIMMED 2.1 locale_custom_strings text Locale specific string overrides PHP 3.2