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The Hello World of SQL Queries!

Now, it's time for liftoff! In this exercise, you'll perform the Hello World of SQL queries, SELECT, in order to retrieve all columns of the table Album in the Chinook database. Recall that the query SELECT * selects all columns.

Bu egzersiz

Introduction to Importing Data in Python

kursunun bir parçasıdır
Kursu Görüntüle

Egzersiz talimatları

  • Open the engine connection as con using the method .connect() on the engine.
  • Execute the query that selects ALL columns from the Album table. Store the results in rs.
  • Store all of your query results in the DataFrame df by applying the .fetchall() method to the results rs.
  • Close the connection!

Uygulamalı interaktif egzersiz

Bu örnek kodu tamamlayarak bu egzersizi bitirin.

# Import packages
from sqlalchemy import create_engine
import pandas as pd

# Create engine: engine
engine = create_engine('sqlite:///Chinook.sqlite')

# Open engine connection: con


# Perform query: rs
rs = con.execute(____)

# Save results of the query to DataFrame: df
df = pd.DataFrame(____)

# Close connection


# Print head of DataFrame df
print(df.head())
Kodu Düzenle ve Çalıştır