_________________ 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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