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The topics in this section provide troubleshooting information for query problems in the SQL Server Database Engine.
Troubleshooting Poor Query Performance: Cardinality Estimation
Troubleshooting Poor Query Performance: Constant Folding and Expression Evaluation During Cardinality Estimation
Troubleshooting DBCC Errors on Indexed Views
Troubleshooting Errors and Warnings on Query Expressions
Troubleshooting Row Size Errors