User-defined function (UDF) overview
Users can create user-defined functions (UDFs). Functions are used to manipulate stored data in queries.
- Creating a user-defined function (UDF)
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Write custom functions using Java or JavaScript to use in SELECT, INSERT, and UPDATE statements.
- Checking a user-defined function (UDF)
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Check existence of UDF.
- Dropping a user-defined function (UDF)
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Use the DROP FUNCTION command to drop a UDF.