Which of these are an advantage of using a package compared with using stand-alone procedures and functions?Ability to group related procedures and functions togetherSimplicity of coding structureCapability to hide functionalityAbility to define IN and OUT parameters

The advantages of using a package compared with using stand-alone procedures and functions include:

1. Ability to group related procedures and functions together: This allows for better organization and management of code. It makes it easier to understand and maintain the code as related procedures and functions are kept together in a single package.

2. Simplicity of coding structure: Packages can simplify the coding structure by encapsulating related procedures and functions together. This can make the code easier to read and understand.

3. Capability to hide functionality: Packages can provide a level of data hiding and encapsulation. You can choose to expose only certain procedures and functions, while keeping the rest private. This can help to protect the integrity of your data and prevent unauthorized access.

4. Ability to define IN and OUT parameters: While this is not exclusive to packages (as you can define IN and OUT parameters in standalone procedures and functions as well), it is still an advantage as it allows for more flexible and dynamic coding. You can pass values into your procedures and functions, and return values from them.