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How does rows store in Teradata

Question Posted / rahmath


How does rows store in Teradata..

Answer / amish ojha

applying hashing algorithm to the PI system gets the ROW
HASH ,that will be searched in the HASH BUCKET to get the
desired AMP ,thereafter by adding uniqueness value to row
hash value the row ID is obtained and then it gets stored
in AMP ..


PI-->ROW HASH ---> HASH BUCKET(MAP)--> AMPno

ROWID = ROW HASH + UNIQUENESS ID

where actually the row is stored

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