Hadoop interview questions part 20
Hadoop interview questions part 20
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Total Questions: 20
1. On the write side, it is expected that the user pass in valid _________ with data correctly.
Correct Answer is : HCatRecords
2. A float parameter, defaults to 0.0001f, which means we can deal with 1 error every __________ rows
Correct Answer is : 10000
3. _________________ property allow users to override the expiry time specified.
Correct Answer is : hcatalog.hive.client.cache.expiry.time
4. _________________ property allow users to override the expiry time specified.
Correct Answer is : hcatalog.hive.client.cache.expiry.time
5. Point out the correct statement :
Correct Answer is : All of the mentioned
6. Point out the correct statement :
Correct Answer is : All of the mentioned
7. ____________ is used with Pig scripts to write data to HCatalog-managed tables.
Correct Answer is : HCatStorer
8. ____________ is used with Pig scripts to write data to HCatalog-managed tables.
Correct Answer is : HCatStorer
9. Hive does not have a data type corresponding to the ____________ type in Pig.
Correct Answer is : biginteger
10. Hive does not have a data type corresponding to the ____________ type in Pig.
Correct Answer is : biginteger
11. Point out the wrong statement :
Correct Answer is : None of the mentioned
12. Point out the wrong statement :
Correct Answer is : None of the mentioned
13. _______________ method is used to include a projection schema, to specify the output fields.
Correct Answer is : setOutputSchema
14. _______________ method is used to include a projection schema, to specify the output fields.
Correct Answer is : setOutputSchema
15. The first call on the HCatOutputFormat must be :
Correct Answer is : setOutput
16. The first call on the HCatOutputFormat must be :
Correct Answer is : setOutput
17. ___________ is the type supported for storing values in HCatalog tables.
Correct Answer is : HCatRecord
18. ___________ is the type supported for storing values in HCatalog tables.
Correct Answer is : HCatRecord
19. The output descriptor for the table to be written is created by calling :
Correct Answer is : OutputJobInfo.create
20. The output descriptor for the table to be written is created by calling :
Correct Answer is : OutputJobInfo.create
