Tera Data Interview Questions and Answers

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Question - Explain the DATABLOCKSIZE in Teradata?

Answer -

DATABLOCKSIZE sets the maximum data block size for blocks that contain multiple rows. The data block is the physical I/O unit for the Teradata file system.
Larger block sizes enhance full table scan operations by selecting more rows in a single I/O. Smaller block sizes are best for transaction-oriented tables to minimize overhead by retrieving only what is needed.

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