Exam 70-442 Objective 2

Tested myself on Exam 70-442 (Designing and Optimizing Data Access by Using Microsoft SQL Server 2005) Objective 2 (Designing a Database Query Strategy) and received only 60%.  I've got a bit of study to do, specifically:

1. Write and modify queries
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2. Design queries for retrieving data from XML sources
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3. Design a cursor strategry
   DECLARE CURSOR (Transact-SQL)