Suppose the contents of first three rows of my dataframe df are as follows: sepal_length sepal_wádth petal_length petal_width Туре 5.1 3.5 02 Iris-setosa 1.4 02 lris-setosa 49 3.0 1.4 47 32 1.3 02 Iris-setosa Then which of the following statements will delete the first column 'sepal_length" of the df? O a. df.delete(["sepal_length"], axis=1, inplace=True) O b. df.delete(["sepal_length"], axis=1) O . df.drop(["sepal_length"], axis=1) O d. df.drop(["sepal_length"], axis=1, inplace=True)

Suppose the contents of first three rows of my dataframe df are as follows: sepal_length sepal_wádth petal_length petal_width Туре 5.1 3.5 02 Iris-setosa 1.4 02 lris-setosa 49 3.0 1.4 47 32 1.3 02 Iris-setosa Then which of the following statements will delete the first column 'sepal_length" of the df? O a. df.delete(["sepal_length"], axis=1, inplace=True) O b. df.delete(["sepal_length"], axis=1) O . df.drop(["sepal_length"], axis=1) O d. df.drop(["sepal_length"], axis=1, inplace=True)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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