Concepts
   Building Logical Entity Data Services
   Data Service Keys
   XML Types and Return Types

How-to...
    ... Add a Read Function
    ... Add a Library Function or Procedure
    ... Create Logical Data Service Keys
    ... Declare a Security Resource in Data Services Studio

Example
   Create a Logical Data Service with a Group By Clause
   Create a Data Service with a Flat Return Type

Reference
   XQuery Source of a Logical Entity Service

Related Topics
   How to...
   ... Create Your First Data Services
   ... Create a Return Type
   ... Add a Complex Child Element to a Return Type
   ... Check Namespaces in Return Types
   ... Create Conditional Elements in Return Types
   ... Test a Read Function and Simple Update
   ... Test a Create or Delete Procedure

   Concepts
   Data Service Types and Functions