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XPath sum
Last modified: June 29, 2022
1 Overview
The sum() function returns the sum of its argument.
The function requires an XPath query as argument.
The function must specify a column in the query to aggregate.
The query must specify an attribute that has a numeric type.
2 Examples
This query returns the sum of the total prices of all placed orders:
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This query returns the sum of the total prices of all the orders placed by a customer named “Jansen”:
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