Can SAP HANA's dictionary views be used to find the columns returned by a table-valued function?

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Yes, SAP HANA's dictionary views can be used to find the columns returned by a table-valued function. The view 'FUNCTIONPARAMETERS' can be used to retrieve the function definition of the table-valued function, which includes the data types and names of the columns returned by the function. The view 'MFUNCTION_PARAMETERS' can also be used to retrieve the same information, along with additional details such as input parameters and return type.