Chapter 9. Troubleshooting and Debugging

9.1Introduction 291
9.2The World of Bugs 292
9.3The Debugging Process 292
9.4Types of Problems 294
9.5Troubleshooting and Debugging Techniques 296
 9.5.1 Validating Queries with the VALIDATE Statement 297
 9.5.2 Documented PROC SQL Options and Statement 298
9.6Undocumented PROC SQL Options 311
 9.6.1 Macro Variables 313
 9.6.2 Troubleshooting and Debugging Examples 317
9.7Summary 323

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