Which of the following argument is used to set the key to be used for merging two data frames?

Which of the following can be used to merge two data frames by common columns?concatenate()bind()join()merge()

Write syntax to combine dataframes df1 and df2 based on common column named key

20. A data science intern is confused on which method to use to combine 2 or more pandas objects. She has asked for help from you. Which of the following statements about merge and join are correct? Select all correct.Join combines 2 or more pandas objects horizontally while merge combines exactly two dataframes horizontallyBoth merge and join Handles duplicate values on the joining columns or index by performing a cartesian productBoth merge and join Aligns the calling DataFrame's column(s) or index with the other object's index (and not the columns)Join defaults to left join with options for inner, outer, and right while merge defaults to inner join with options for left, outer, and right

Which of the following tools in Alteryx is used to join two or more data sets based on a common key?

What will the following code do?employee_all_df = pd.concat(employee_names_df,employee_age_df, on = 'Employee ID')A.Generate an error message.B.Concatenate both DataFrames using Employee ID.C.Merge both DataFrames using Employee ID.