Service-Now Interview Questions
Question & Answers
What is difference between UI Policy and Client Script
- Client Script will execute first than UI Policy.
- UI Policy has condition but Client script does not (we need to write manually through code)
- UI Policy has condition where we can access the fields which are not on the form but client script does not, Client script can access only the fields which are on the form.
What is import set table?
- Import set table is a temporary table where we will put the data for temporary purpose and later we can move the import set data to target table using transform map.
- Whenever we are pulling the data from external source, it is a standard process to get data into import set first and then validate the data using transform scripts and then transform the data into target table.
- Import set table always extends import set row table.
- By default import set table fields are of string type.
- Import set table can be used to debug the integration where we are pulling the data from external source.
Update Set?
- Update set is used to capture the customization i.e. development in servicenow.
- Update set will capture the versions of every development components.
- Only the table data, which has update_synch attribute =true, get captured into update set.
- Only completed update set can be moved to another instance.
- We should not change the update set state from completed to in progress as per standard practice.
Display business Rule?
- Display business rule will run when the data is getting populated on the form from server.
- Here we can use g_scratchpad global variable to send the service side information to client side script.
- For display business rule, we don’t have option like update, insert, query and delete in business rule form.