SQLite Forum

Slow select operation after many times of insert different Table
Login
Chronological Hierarchical 
Other than changing your `os.system('rm -f *.db')` to
```
try:
    os.unlink('db1.db')
except:
    pass
try:
    os.unlink('db2.db')
except:
    pass
try:
    os.unlink('db3.db')
except:
    pass
```