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Vikash Gupta • 33.56K Points
Instructor I 

Q. In HBase, what is the purpose of the HBase Write-Ahead Log (WAL)?

  • (A) Join records from multiple tables
  • (B) Group records based on a condition
  • (C) Record changes to data before they are applied to the HBase table
  • (D) Sort records based on a column
  • Correct Answer - Option(C)
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  • Filed under category Hadoop

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