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| """
数据库更新操作 更新操作用于更新数据表的数据,以下实例将 TESTDB 表中 SEX 为 'M' 的 AGE 字段递增 1:
"""
import pymysql
ip = "localhost" user = 'root' pwd = '1234'
db = pymysql.connect(ip, user, pwd, "matt")
cursor = db.cursor()
sql = "UPDATE EMPLOYEE SET AGE = AGE + 1 WHERE SEX = '%c'" % ('M') try: cursor.execute(sql) db.commit() print('ok') except: db.rollback() print('on NO')
db.close()
|