10. Unknown Scalability Requirements
9. Improperly Normalized Tables
8. Improper Indexing
7. No Baseline or Benchmarks
6. Disks — Thinking about Space but Not I/O
5. Lack of Error Notification
4. Poor or Nonexistent Backup Strategy
3. Lack of Query Tuning and Optimization
2. Ignorance of Internals
1. Overuse of Cursors
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