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Python - SQLite - List Comprehensions: Database Integrations - select

Head First Python: A Learner’s Guide to the Fundamentals of Python Programming, A Brain-Friendly Guide、 Paul Barry(著)、 O’Reilly Mediaの Chapter 13.(List Comprehensions: Database Integrations)、EXERCISE(589/682)の解答を求めてみる。

Jupyter(コード、入出力結果)

TryQueries.ipynb

import DBcm

db_details = 'CoachDB.sqlite3'

from queries import SQL_SESSION

print(SQL_SESSION)

select distinct ts from times

with DBcm.UseDatabase(db_details) as db:
    db.execute(SQL_SESSION)
    results = db.fetchall()
results

[('2025-08-25 05:33:42',)]