如何检查数据库数据是否丢失?
if cur.execute('DELETE FROM products WHERE shop = 5'):
print('deleted sucess')
此代码不起作用,我没有找到如何验证数据是否已删除的信息
cur.execute('DELETE FROM products WHERE shop = 5')
cur.execute('SELECT * from products where shop = 5')
if not cur.fetchone():
print('delete successful')
cur.rowcount
值,该值将返回上一个查询中“受影响的行”的数量:cur.rowcount