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CREATE TABLE
| city1 | city2 | dist |
|---|---|---|
| New York | Berlin | 7900 |
| Berlin | New York | 7900 |
| Oregon | Ohio | 5700 |
| Montreal | Rio | 5700 |
| Ohio | Oregon | 5700 |
| Rio | Montreal | 5700 |
| Moscow | Tokyo | 4200 |
| Tokyo | Moscow | 4200 |
| Conce | Santiago | 500 |
| Talca | Linares | 80 |
INSERT 0 10
| city1 | city2 | dist |
|---|---|---|
| Berlin | New York | 7900 |
| Conce | Santiago | 500 |
| Linares | Talca | 80 |
| Montreal | Rio | 5700 |
| Moscow | Tokyo | 4200 |
| Ohio | Oregon | 5700 |
SELECT 6