CREATE EXTERNAL TABLE demodbdb
(
  data struct<
             name:string,
             age:string
             cars:array<string>
             >
)
ROW FORMAT SERDE
'org.openx.data.jsonserde.JsonSerDe'
LOCATION
's3://priyajdm/';
I got the following error: 
no viable alternative at input 'create external' (service: amazonathena; status code: 400; error code: invalidrequestexception;