SQL and Functions for Data Transformation

SQL and Functions for Data Transformation

Unlock the power of SQL for effective data transformation. This guide covers essential techniques like data cleaning, formatting, aggregation, and filtering, enabling data professionals to enhance data quality and derive valuable insights for informed decision-making in analytics.
Java Methods: Definition and Usage – PL Courses

Java Methods: Definition and Usage – PL Courses

Java methods are crucial for organizing code efficiently. They can be predefined or user-defined, with each having a method signature that includes the method name, return type, and parameter list. Methods can also be overloaded or have variable arguments, making them versatile for different tasks. Learn how to create and use Java methods effectively.