Hi Soni,
Good Day
Scheduled Jobs are not considered as customizations (based on the absence of the "update_synch" attribute on the table), and they are not captured in update sets.
Basically, you need to modify the Dictionary entries for each table with the update_synch attribute.
System Update Sets - ServiceNow Wiki
Update set record is a point in time XML snapshot of the record. an update set works by writing changes to the customer update table(sys_update_xml). whatever you do customize on your application or on instance that will be capture in update set , record will not be capture in update set.
Please check the screenshot below for your reference,
Please mark it as Helpful/Like/Correct based on the impact.
Thanks,
Priyanka R
The tables which have the attribute update_synch = true, only those tables will be captured in the update set -
Go to sys_dictionary and go to table definition record, check the attributes, only those will be captured in update set which has update_synch = true
Please refer the wiki article over it -
System Update Sets - ServiceNow Wiki
To see a list of tables on which customizations are tracked, navigate to System Definition > Dictionary and filter on attributes CONTAINS update_synch.
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