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What are the window functions provided by apache tajo?

Question Posted / ashish singh


What are the window functions provided by apache tajo?..

Answer / Hidayat Husain Naqvi

Apache Tao provides several window functions such as `ROW_NUMBER()`, `LAG()`, `LEAD()`, `SUM() OVER (ORDER BY column)`, `COUNT() OVER (PARTITION BY partition_column ORDER BY order_column ROWS BETWEEN a ROW AND b LAST)`, and more. These functions allow you to perform operations on a set of rows that are related in some way.

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