You can retrieve the metadata of a DataFrame with the following methods and properties.
DataFrame Methods
- info() Method
- Returns a summary of the DataFrame.
- keys() Method
- Returns a list of column names of the DataFrame.
DataFrame Properties
- columns Property
- Returns a list containing column names.
- dtypes Property
- Returns column names and their corresponding types.
- index Property
- Returns the index of the DataFrame, which corresponds to the primary index of the underlying Table or View.
- shape Property
- Returns a tuple representing the dimensionality of the DataFrame.
- size Property
- Returns a value representing the number of elements in the DataFrame.
- tdtypes Property
- Prints the column names and corresponding teradatasqlalchemy types of a DataFrame.
These DataFrame methods and properties do not return a teradataml DataFrame.