When we connect application with database using "localhost:port" connection string, our application works fine. However, when we change it to use "ip address:host", application works fine in beginning but after
Functions Return String,FunctionsReturnString false Causes the connector to return binary/varbinary values as strings, if they do not have a tablename in the metadata. Host, Server, Data Source,DataSource, Address, Addr,Network Address localhost The name or network address of the instance of MyS...
Step1:App.config文件里进行配置 <?xml version="1.0"encoding="utf-8"?> <configuration> <startup> <supportedRuntime version="v4.0"sku=".NETFramework,Version=v4.5.2"/> </startup><connectionStrings> <add name="Connect" connectionString="server=localhost;user=root;pwd=admin;database=BlackCat"/...
<add name="connstring" connectionString="User Id=root;host=localhost;Database=cnseb_spider;password=;port=3306;persist security info=True;character set=utf8;" providerName="MySql.Data.MySqlClient"/> </connectionStrings> 1. 2. 3. 5. mysql操作类,可以直接使用,已经测试过了 #region 数据库连接字...
importjava.sql.*;publicclassMySQLConnectionExample{publicstaticvoidmain(String[]args){Stringhost="localhost";intport=3306;Stringdatabase="mydatabase";Stringusername="root";Stringpassword="password";StringconnectionString="jdbc:mysql://"+host+":"+port+"/"+database+"?user="+username+"&password="...
The following code shows how to create a connection object/ usingSystem;usingSystem.Data;usingMySql.Data;usingMySql.Data.MySqlClient;publicclassTutorial1{publicstaticvoidMain(){stringconnStr="server=localhost;user=root;database=world;port=3306;password=***";MySqlConnection conn=newMySqlConnection...
serverName = "localhost" ' MySQL服务器地址 dbName = "mydatabase" ' 数据库名称 userName = "myuser" ' 数据库用户名 password = "mypassword" ' 数据库密码 ' 构建连接字符串 conn.ConnectionString = "DRIVER={MySQL ODBC 5.3 ANSI Driver};" & _ ...
或者update user set authentication_string='新密码' where user='root'; 或者alter user 'root'@'localhost' identified with mysql_native_password by '新密码'; ### 注意:刷新mysql相关权限 flush privileges; ### 最终流程: mysql> update user set authentication_string='root' where user='root'; Quer...
public static void main(String[] args) { String url = "jdbc//localhost:3306/test"; String username = "root"; String password = "password"; try { // 加载驱动程序 Class.forName("com.mysql.cj.jdbc.Driver"); // 创建连接对象 Connection conn = DriverManager.getConnection(url, username, passw...
[root@zs~]# mysql -uroot -pEnter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)[root@zs ~]# mysql -uroot -pEnter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)#我们有可能刚刚接手别人的 M...