READ_NOS (
USING (
LOCATION ('external_file_path')
[ AUTHORIZATION('[DatabaseName.]AuthorizationObjectName]
| '{"Access_ID":"access_id", "Access_Key":"secret_key" [
,"Session_Token":"session_token" ] }' ]
[ RETURNTYPE ( { 'NOSREAD_RECORD' | 'NOSREAD_KEYS' |
'NOSREAD_SCHEMA' } ) ]
[ SAMPLE_PERC ( 'row_sampling_value' ) ]
[ STOREDAS ( { 'PARQUET' | 'TEXTFILE' } ) ]
[ SCANPCT ( 'scanpct' ) ]
[ MANIFEST ( { 'TRUE' | 'FALSE' } ) ]
[ TABLE_FORMAT ('DELTALAKE') ]
[ ROWFORMAT ( 'rowformat_value' ) ]
[ HEADER ( { 'TRUE' | 'FALSE' } ) ]
)