Mysql数据库的用户和日志管理 数据库的用户管理 1.mysql用户账号管理 用户账号 user@host user:账户名称 host:此账户可通过哪些客户端主机请求创建连接线程,可以是ip.主机名或network. %:任意长度的任意字符: _:任意单个字符: 1)新建用户 create user 'user_name'@'来源地址' [identified by [password]'密码']; help create user create user user_specificatio…
1.建立数据库文件:mysqlCreatDB.sql create database Mydb 2.为用户赋予权限文件:grantUser.sql grant select,insert,update,delete,index,execute on Mydb.* to admin@"%" identified by "123456"; 3.还原数据库文件:Mydb.sql 4.批处理文件:mysqlConfig.bat @ECHO OFF @se…
1.1 数据库绑定用户授权命令 db2 connect to opca db2 grant dbadm,createtab,bindadd,connect,create_not_fenced_routine,implicit_schema,load,create_external_routine,quiesce_connect on database to user opca…
dotnetcore ef 调用多个数据库时用户命令执行操作报错 1.多个DbContext 时报错: 报错: More than one DbContext was found. Specify which one to use. Use the '-Context' parameter for PowerShell commands and the '--context' parameter for dotnet commands. 解决办法: dotnet ef migrations ad…
1.BBS项目之注册功能通过forms验证 from django import forms from blog.models import User from django.contrib.auth import authenticate class CheckForm(forms.Form): username = forms.CharField(max_length=10, min_length=3) password = forms.CharField(max_length=18, mi…
今天公司SQL Server数据库无意间变为SINGLE_USER模式了,而且使用如下语句切换回MULTI_USER失败: ALTER DATABASE [MyDB] SET MULTI_USER WITH ROLLBACK IMMEDIATE 报错: Msg 5064, Level 16, State 1, Line 1 Changes to the state or options of database 'MyDB' cannot be made at this time. The dat…