Answer-first summary for fast verification
Answer: CREATE FUNCTION plus_one(value INTEGER)RETURNS INTEGERRETURN value +1;
The correct syntax to create a UDF is: `CREATE [OR REPLACE] FUNCTION function_name ( [ parameter_name data_type [, …] ] ) RETURNS data_type RETURN { expression | query }`. Reference: [Databricks UDF Documentation](https://docs.databricks.com/udf/index.html).
Author: LeetQuiz Editorial Team
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How can a data engineer create a user-defined function (UDF) in Databricks?
A
CREATE UDF plus_one(value INTEGER)RETURN value +1;
B
CREATE FUNCTION plus_one(value INTEGER)RETURNS INTEGERvalue +1;
C
CREATE FUNCTION plus_one(value INTEGER)RETURN value +1CREATE UDF plus_one(value INTEGER)RETURNS INTEGERRETURN value +1;
D
CREATE FUNCTION plus_one(value INTEGER)RETURNS INTEGERRETURN value +1;
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