Explanation:A null in a field that is not so defined will result in an exception during the save. No changes need be made to the Hive schema to support this, as all fields in Hive can be null. 4. The files that are written by the _______ job are valid Avro files.
A. Avro
B. Map Reduce
C. Hive
D. All of the mentioned
Answer:A
Explanation:A null in a field that is not so defined will result in an exception during the save. No changes need be made to the Hive schema to support this, as all fields in Hive can be null. 4. The files that are written by the _______ job are valid Avro files.
A. Avro B. Map Reduce C. Hive D. All of the mentioned
Explanation:If you copy these files out, you’ll likely want to rename them with .avro. 5. Point out the wrong statement :