What are the advantages of using user-defined functions over built-in functions in DB2?

  • Better performance
  • Enhanced security features
  • Improved portability
  • More flexibility in functionality
User-defined functions offer more flexibility in functionality compared to built-in functions. Developers can tailor user-defined functions to meet specific requirements, which can lead to better application performance and improved code readability. Additionally, user-defined functions can encapsulate complex logic, enhancing security by limiting access to sensitive data and promoting modular development for improved maintainability. 
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