Creating Database Connections
Before wiring a database into an MCP server, you'll get some practice with creating the connection, executing parameterized queries, and closing the connections.
A database called currencies.db, containing supported currencies from the European Central Bank, is already set up and available for you to connect to.
Questo esercizio fa parte del corso
Introduction to Model Context Protocol (MCP)
Istruzioni dell'esercizio
- Connect to the database file
"currencies.db"and assign the connection to a variable namedconn. - Execute the parameterized query, either with the
"USD"test currency code, or with a valid code of your choosing. - Close the database connection.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
import sqlite3
# Connect to currencies.db
conn = sqlite3.____("currencies.db")
conn.row_factory = sqlite3.Row
# Execute the query
cursor = conn.____("SELECT code, name FROM currencies WHERE code = ? LIMIT 1", ("USD",))
row = cursor.fetchone()
print(dict(row))
# Close the connection
conn.____()