Which of the following CDS view definitions is syntactically correct?

@AbapCatalog.sqlViewName: IS4D430_CARRIERI . DEFINE VIEW S4D430_Carrier AS SELECT. carrid, carrname, currcode, url. FROM scarr

@AbapCatalog.sqlViewName: IS4D430_CARRI. DEFINE VIEW S4D430_Carrier AS SELECT. FROM scar. FIELDS carrid, carrname, currcode, url

@AbapCatalog.sqlViewName: IS4D430_CARRI. DEFINE VIEW S4D430_Carrier AS SELECT . FROM scar. {carrid, carrname, currcode, url}

@AbapCatalog.sqlViewName: IS4D430_CARRI. DEFINE VIEW S4D430_Carrier AS SELECT. FROM scarr. { carrid carrname currcode url }