python mysql

3的pymysql   2的MySQLDB

python

coon=pymysql.connect()

cursor = coon.cursor()   cursor = pymysql.cursors.DictCursor

cursor.execute(sql)

cursor.fetchone()  fetchmany(2)  fetchall

cursor.scroll(1, mode="relative")

coon.commit()

cursor.close()

coon.close()

事务