Not Exists in Advanced Query screen

The advanced filter and query in Dynamics AX is a very powerful tool. Here you can search on most fields, and also add relations to the query.

But there is one area that the advanced query screen is not handling. That is “Not-exists-join”. Let’s say I want a list of all the purchase orders that DON’T have purchase lines. The standard AX will not help you here. Often a developer must come inn and create a smart query or script to find this. With the introduction of attributes and retail categories, I see the need for this “not-Exists-join” feature to be able to create advanced queries.

Feel free to make suggestions and improvements