Practice More Questions From: MaxCompute Quiz: UDF
Q:
Array type in MaxCompute maps to Java Array.
Q:
Java UDF supports Bigint, String, Double, Boolean , ARRAY, MAP, and STRUT
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UDF output a return value at a time. UDTF can output more than two records at one time.
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For UDAF（User Defined Aggregation Function）, input and output is many-for-one relationship.
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The NULL value in SQL is represented by a NULL reference in Java; therefore, ‘Java primitive type’ is not allowed because it cannot represent a NULL value in SQL.
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Which of the following is not included in MaxCompute user-defined functions?
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Which correspondence is incorrect between MaxCompute data type and Java data type?
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Which statement is incorrect for UDF debug?
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Which of the following ways of UDTF usage in SQL are correct? (Number of Correct Answers: 3)
Q:
Which of the following UDTF statements are correct? (Number of Correct Answers: 2)
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