SELECT * FROM Sample ( ON { table_name | view_name | (query) } StratumColumn ('column') Strata ('condition' [,...]) SampleFraction ('fraction' [,...]) [ Seed ('seed') ] );
SELECT * FROM Sample ( ON { table_name | view_name | (query) } StratumColumn ('column') Strata ('condition' [,...]) SampleFraction ('fraction' [,...]) [ Seed ('seed') ] );