Study Notes (26): 21 days clearance Python (Video Lesson only) - Case practical operation: the use of transaction control database operations ...

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import sqlite3

conn = sqlite3.connect('test53.db')
c = conn.cursor()

c.execute('insert into user_tb values (null,?,?,?)', ('javascript', 'javascript', 10))
if c.rowcount:
    print('添加的行数：', c.rowcount)
    # 提交事务
    conn.commit()
else:
    print('添加失败')
    # 回滚事务
    conn.rollback()

rows = c.execute('select * from user_tb')
for r in rows:
    print(r, end='\t')
c.close()
conn.close()