Q.1
_________________ property allow users to override the expiry time specified.
  • a) hcat.desired.partition.num.splits
  • b) hcatalog.hive.client.cache.expiry.time
  • c) hcatalog.hive.client.cache.disabled
  • d) hcat.append.limit
Q.2
Point out the correct statement.
  • a) The HCatLoader and HCatStorer interfaces are used with Pig scripts to read and write data in HCatalog-managed tables
  • b) HCatalog is not thread safe
  • c) HCatLoader is used with Pig scripts to read data from HCatalog-managed tables.
  • d) All of the mentioned
Q.3
____________ is used with Pig scripts to write data to HCatalog-managed tables.
  • a) HamaStorer
  • b) HCatStam
  • c) HCatStorer
  • d) All of the mentioned
Q.4
Hive does not have a data type corresponding to the ____________ type in Pig.
  • d) datetime
  • a) decimal
  • b) short
  • c) biginteger
Q.5
Point out the wrong statement.
  • a) The Hive metastore lets you create tables without specifying a database
  • b) Restrictions apply to the types of columns HCatLoader can read from HCatalog-managed tables
  • c) If the table is partitioned, you can indicate which partitions to scan by immediately following the load statement with a partition filter statement
  • d) None of the mentioned
Q.6
_______________ method is used to include a projection schema, to specify the output fields.
  • a) OutputSchema
  • b) setOut
  • c) setOutputSchema
  • d) none of the mentioned
Q.7
The first call on the HCatOutputFormat must be ____________
  • a) setOutputSchema
  • b) setOutput
  • c) setOut
  • d) OutputSchema
Q.8
___________ is the type supported for storing values in HCatalog tables.
  • a) HCatRecord
  • b) HCatColumns
  • c) HCatValues
  • d) All of the mentioned
Q.9
The output descriptor for the table to be written is created by calling ____________
  • a) OutputJobInfo.describe
  • b) OutputJobInfo.create
  • c) OutputJobInfo.put
  • d) None of the mentioned
Q.10
Which of the following Hive commands is not supported by HCatalog?
  • a) ALTER INDEX … REBUILD
  • b) CREATE VIEW
  • c) SHOW FUNCTIONS
  • d) DROP TABLE
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