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How to create Database view with condition?

guy
Kilo Contributor

Hi,

I'm trying to create a table view that displays only the approvals with status in "requested". Somehow the table shows all approvals without a filter. Below is attached the view created and conditions.

Thanks,

Guy.

find_real_file.png

5 REPLIES 5

sergiu_panaite
ServiceNow Employee
ServiceNow Employee

A database view usually implies a JOIN between 2 or more tables. If you only want records from a table based on a condition then you can use a report for that.



The "Where clause" in the database view is not same as a SQL WHERE clause, it's just the condition from the JOIN. Here is an example:



- a simple SELECT with a WHERE clause:



SELECT * FROM persons WHERE firstname='John';



- a JOIN between 2 tables:



SELECT * FROM incident INNER JOIN task ON incident.sys_id = task.sys_id WHERE incident.incident_state=2;



The "Where clause" from database view is actually the highlighted part above (ON incident.sys_id = task.sys_id).



You cannot add a WHERE clause in a database view same as a standard WHERE clause in SQL.



Regards,


Sergiu


matthew_magee1
Giga Guru

I haven't had the opportunity to do this in a live situation yet, but I figured it would be cool to check out.



It looks like a Database View is used to combine 2 or more tables. Since you have 1 table (sys approver), I'm guessing the where clause might be irrelevant.



Why not just create a module link that points to a query like:


<instance_name>/sysapproval_approver_list.do?sysparm_query=state%3Drequested



When the user clicks on the module...whola, all they see are the approvals in a requested state


Chandresh
Tera Guru

I have created one basic database view to get REQ and RITM in one list below is the snapshot of that


find_real_file.png



Once you click on try it it will give you the list fo RITMs corresponding to the REQ in a list form.


Also, below link will give you a fair idea about Database views.


Database Views - ServiceNow Wiki


guy
Kilo Contributor

Thanks