Q. In HBase, what is the purpose of the HBase Write-Ahead Log (WAL)?
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(A)
Join records from multiple tables
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(B)
Group records based on a condition
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(C)
Record changes to data before they are applied to the HBase table
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(D)
Sort records based on a column
✅ Correct Answer: (C)
Record changes to data before they are applied to the HBase table