SELECT * FROM CrossValidation ( ON (SELECT 1) PARTITION BY 1 [ Domain ('host:port') ] [ Database ('db_name') ] [ UserID ('user_id') ] [ Password ('password') ] [ SSLSettings ('SSLsettings') ] [ SSLTrustStorePassword ('SSLtruststorepassword') ] Function ('function_name') [ Arguments used by the training function ] ... CVParams ('arguments_vary_in_cv') [ FoldNum ('k') ] [ CVTable ('tablename') ] [ Metric ('error_function_name') ] );