MySQL5.7及MySQL8的账号管理、建库以及四大引擎摘要:1、数据库账号及权限管理0.查询用户SELECT * from user;1.创建用户并设置登录密码#MySQL5.7#命令:create user 用户名 identified by '密码';#注:identified by会将纯文本密码加密作为散列值存储create user ls identified by '123456';#MySQL8#用户名密码创建需要分开#命令:create.../admin/blog/articles/423 发布日期:2020-11-08
Python基础之引用类型(列表list、元组tuple)摘要:'))
print('ll' not in names)
print('ls' in names)
# 修改
if 'zs' in names:
index=names.index('zs')
names[index]='zsf'
else:
print('zs is not exists')
print(names)
嵌套列表的内存及遍历列表中元素排序Sort()按照自然顺序(从小.../admin/blog/articles/243 发布日期:2020-11-08