10036: Label class value has an SQL query that references field names that are not indexed:

Your map layer has a label class with a SQL query that references fields that are not indexed, and you have selected the advanced option to prefer attribute queries over spatial queries. It's a good idea to index this field because it is used for querying features when drawing your map.


Check the drawing performance of your map service in the Preview window. See Publishing map services for more information.

More information

Attribute indexes can speed up attribute queries on feature classes and tables. For most types of queries, it is faster to look up a record on an indexed field than it is to search through the entire table.

Generally, you can improve overall performance using attribute indexes on key fields in your datasets. See Creating attribute indexes for more information.