详解python中executemany和序列的使用方法
发布时间:2020-12-17 08:10:39 所属栏目:Python 来源:网络整理
导读:详解python中executemany和序列的使用方法 一 代码 import sqlite3 persons=[ ("Jim","Green"),("Hu","jie") ] conn=sqlite3.connect(":memory:") conn.execute("CREATE TABLE person(firstname,lastname)") conn.executemany("INSERT INTO person(firstname
详解python中executemany和序列的使用方法 一 代码 import sqlite3 persons=[ ("Jim","Green"),("Hu","jie") ] conn=sqlite3.connect(":memory:") conn.execute("CREATE TABLE person(firstname,lastname)") conn.executemany("INSERT INTO person(firstname,lastname) VALUES(?,?)",persons) for row in conn.execute("SELECT firstname,lastname FROM person"): print(row) print("I just deleted",conn.execute("DELETE FROM person").rowcount,"rows") 二 运行结果 y ======== ('Jim','Green') ('Hu','jie') I just deleted 2 rows 以上就是python中executemany和序列的应用,如有疑问请留言或者到本站社区交流讨论,感谢阅读,希望能帮助到大家,谢谢大家对本站的支持! (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |