Problem: Query on an ArcSDE for Coverages layer fails to return records
A query on an ArcSDE for Coverages layer fails to return records when using the MapObjects FilterExpression property or the SearchExpression method.
The query syntax may be invalid for ArcSDE for Coverages. ArcSDE for Coverages requires INFO operators rather than SQL expressions.
Solution or Workaround
Use INFO operators, such as cn or lk, in your queries.
Refer to the workstation ArcInfo or ArcSDE for Coverages documentation for additional information.