2026-01-29 06:54:10 +01:00
TASK: Create an SQLite schema for a library system (books, authors), insert 5 sample records, and generate a SQL dump to 'db_migration.sql'.
----------------------------------------
Loading...
2026-01-29 07:42:06 +01:00
[1;34m┌─── Python Source Code ───────────────────────────────────── [0m
[1;34m│ [0m [2m 1 | [0m [34mimport [0m [33m sqlite3 [0m
[1;34m│ [0m [2m 2 | [0m # Connect to an in-memory database [0m
[1;34m│ [0m [2m 3 | [0m conn = sqlite3.connect(':memory:') [0m
[1;34m│ [0m [2m 4 | [0m cur = conn.cursor() [0m
[1;34m│ [0m [2m 5 | [0m # Create schema [34mfor [0m [33m library system [0m
[1;34m│ [0m [2m 6 | [0m schema = ''' [0m
[1;34m│ [0m [2m 7 | [0m CREATE TABLE authors ( [0m
[1;34m│ [0m [2m 8 | [0m id INTEGER PRIMARY KEY AUTOINCREMENT, [0m
[1;34m│ [0m [2m 9 | [0m name TEXT NOT NULL [0m
[1;34m│ [0m [2m 10 | [0m ); [0m
[1;34m│ [0m [2m 11 | [0m CREATE TABLE books ( [0m
[1;34m│ [0m [2m 12 | [0m id INTEGER PRIMARY KEY AUTOINCREMENT, [0m
[1;34m│ [0m [2m 13 | [0m title TEXT NOT NULL, [0m
[1;34m│ [0m [2m 14 | [0m author_id INTEGER, [0m
[1;34m│ [0m [2m 15 | [0m FOREIGN KEY(author_id) REFERENCES authors(id) [0m
[1;34m│ [0m [2m 16 | [0m ); [0m
[1;34m│ [0m [2m 17 | [0m ''' [0m
[1;34m│ [0m [2m 18 | [0m cur.executescript(schema) [0m
[1;34m│ [0m [2m 19 | [0m # Insert sample records [0m
[1;34m│ [0m [2m 20 | [0m authors = [('Jane Austen',), ('Mark Twain',), ('J.K. Rowling',), ('George Orwell',), ('Leo Tolstoy',)] [0m
[1;34m│ [0m [2m 21 | [0m cur.executemany('INSERT INTO authors (name) VALUES (?)', authors) [0m
[1;34m│ [0m [2m 22 | [0m books = [ [0m
[1;34m│ [0m [2m 23 | [0m ('Pride and Prejudice', [36m1 [0m [33m), [0m
[1;34m│ [0m [2m 24 | [0m ('Adventures of Huckleberry Finn', [36m2 [0m [33m), [0m
[1;34m│ [0m [2m 25 | [0m ('Harry Potter and the Sorcerer\'s Stone', [36m3 [0m [33m), [0m
[1;34m│ [0m [2m 26 | [0m (' [36m1984 [0m [33m', [36m4 [0m [33m), [0m
[1;34m│ [0m [2m 27 | [0m ('War and Peace', [36m5 [0m [33m), [0m
[1;34m│ [0m [2m 28 | [0m ] [0m
[1;34m│ [0m [2m 29 | [0m cur.executemany('INSERT INTO books (title, author_id) VALUES (?, ?)', books) [0m
[1;34m│ [0m [2m 30 | [0m # Generate SQL dump [0m
[1;34m│ [0m [2m 31 | [0m dump = "" [0m
[1;34m│ [0m [2m 32 | [0m [34mfor [0m [33m line in conn.iterdump(): [0m
[1;34m│ [0m [2m 33 | [0m dump += line + "\n" [0m
[1;34m│ [0m [2m 34 | [0m # Save dump to file [0m
[1;34m│ [0m [2m 35 | [0m [34mwith [0m [33m open('db_migration.sql', 'w') [34mas [0m [33m f: [0m
[1;34m│ [0m [2m 36 | [0m f.write(dump) [0m
[1;34m│ [0m [2m 37 | [0m conn.close() [0m
[1;34m└──────────────────────────────────────────────────────────── [0m
The SQLite schema for the library system has been created, five sample records have been inserted, and a SQL dump has been generated and saved to 'db_migration.sql'. If you need to review the dump or perform further operations, please let me know!