ServiceNow Zurich: admins may not be able to edit script fields New with ServiceNow Zurich: admins may not be able to edit script fields. A new role has been introduced and is required for anyone editing script fields: snc_required_script_writer_permission https://www.servicenow.com/docs/bundle/zurich-platform-security/page/administer/security/concept/scripting-governance.html
ServiceNow CMDB Key Value Table You can use the cmdb_key_value table to store attributes in the CMDB against a CI via a linked key value table - one row per attribute this has a many-to-one relationship to the CI and can be displayed on the CI in a related list
Techniques used to identify and improve query performance found in the following ServiceNow article https://www.servicenow.com/community/developer-articles/database-performance-improving-slow-or-and-join-queries/ta-p/2299441
ServiceNow Hiding Related Lists onload for Performance Improvements related lists can be made to load on demand. See https://www.servicenow.com/docs/bundle/yokohama-platform-user-interface/page/use/using-forms/task/t_ConfigureWhenARelatedListLoads.html