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CREATE TABLE
INSERT 0 4
| c1 | c2 | c3 | org_slow_verbose | better | fastest | whole_row | whole_row_safe | clearest |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | t | t | t | t | t | t |
| 1 | null | 3 | f | f | f | f | f | f |
| null | 2 | null | f | f | f | f | f | f |
| null | null | null | f | f | f | f | f | f |
SELECT 4