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To implement a custom untyped user-defined aggregation function, the user has to extend the which class

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To implement a custom untyped user-defined aggregation function, the user has to extend the which class
1. None of the options
2. UserDefinedAggregateFunction
3. UDFAggregateFunction
4. UserDefinedFunction

 

1 Answer

0

To implement a custom untyped user-defined aggregation function, the user has to extend the which class
1. None of the options
2. UserDefinedAggregateFunction
3. UDFAggregateFunction
4. UserDefinedFunction

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🔗Source: Interview Questions and Answers

🔗Reference: Javatpoint.com

Answer is UserDefinedAggregateFunction

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