以mysql或者sqlite爲例,請用代碼給出簡潔且完整的數據庫操作示例。
參考答案:
[參考代碼:]
# 導入MySQL驅動:
import mysql.connector
# 注意把password設爲你的root口令:
conn = mysql.connector.connect(user='root', password='password', database='test', use_unicode=True)
cursor = conn.cursor()
# 創建user表:
cursor.execute('create table user (id varchar(20) primary key, name varchar(20))')
# 插入一行記錄,注意MySQL的佔位符是%s:
cursor.execute('insert into user (id, name) values (%s, %s)', ['1', 'Michael'])
# 提交事務:
conn.commit()
cursor.close()
# 運行查詢:
cursor = conn.cursor()
cursor.execute('select * from user where id = %s', '1')
values = cursor.fetchall()
print values
# 關閉Cursor和Connection:
cursor.close()
conn.close()