Can you please help me on the following MCQ on Hadoop Hive and Hbase a) data in hbase table follows which hierarchy 1) RowKey> Column Family >Column 2) ColumnFamily> Column > Rowkey 3)ColumnFamily>...

Can you please help me on the following MCQ on Hadoop Hive and Hbase a) data in hbase table follows which hierarchy 1) RowKey> Column Family >Column 2) ColumnFamily> Column > Rowkey 3)ColumnFamily> RowKey>Column 4) RowKey> Column> Column Family b) Select all that is true about Region Merge 1) Region merge is never carried out once region split has taken place 2) Region merge is initiated when Region Server number is around 100 3) Region server inititaes region merge and update Hmaster 4) .META table is updated post merge c) When is PIG script COnverted to MApreduce jobs and executed 1) After each statement 2) AT the end of the Script 3) After Store or Dump command 4) Continously d) Choose right constructor available for PUT COmmand 1) Put(byte[] rowkey) 2)Put(byte[] rowKey,long ts) 3) Put(byte[] rowkey,RowLock rowlock) 4)Put(byte[] rowkey,long ts,RowLock rowlock) e) What does following expression doX=LOAD 'directory/datafile.dat' using PigStorage(',') 1) It will give an error asking for schema definition 2) it will create a bag named X containing reference to datafile.dat 3) It will give error if datafile.dat is not comma seperated 4) none of these f) With the statement "CREATE" , the table will be created in 1) default" namespace 2) system" namespace 3)providing a namespace information is mandotary 4) default namespace of RegionServer g) While creating Hbase table which of the following is correct 1) The column should belong to only one column family 2) The column can belong to more than one column family 3) the column needs to explicitly mapped to column family 4) all of the above
Nov 18, 2021
SOLUTION.PDF

Get Answer To This Question

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here