Merge pull request #15258 from mswutao/tao_connectionstring

update Uid based on customer's comment

articles/mysql/howto-connection-string.md

@@ -22,7 +22,7 @@ This document lists the connection string types supported by Azure Database for
 
 ## ADO.NET
 ```ado.net
-Server={your_host};Port={your_port};Database={your_database};Uid={your_username};Pwd={your_password};[SslMode=Required;]
+Server={your_host};Port={your_port};Database={your_database};Uid={username@servername};Pwd={your_password};[SslMode=Required;]
 ```
 
 In this example, the server name is `myserver4demo`, database name is `wpdb`, user name is `WPAdmin`, password is `mypassword!2`. Then, the connection string should be:
@@ -33,32 +33,32 @@ Server= "myserver4demo.mysql.database.azure.com"; Port=3306; Database= "wpdb"; U
 
 ## JDBC
 ```jdbc
-String url ="jdbc:mysql://%s:%s/%s[?verifyServerCertificate=true&useSSL=true&requireSSL=true]",{your_host},{your_port},{your_database}"; myDbConn = DriverManager.getConnection(url, {your_username}, {your_password}";
+String url ="jdbc:mysql://%s:%s/%s[?verifyServerCertificate=true&useSSL=true&requireSSL=true]",{your_host},{your_port},{your_database}"; myDbConn = DriverManager.getConnection(url, {username@servername}, {your_password}";
 ```
 
 ## Node.JS
 ```node.js
-var conn = mysql.createConnection({host: {your_host}, user: {your_username}, password: {your_password}, database: {your_database}, Port: {your_port}[, ssl:{ca:fs.readFileSync({ca-cert filename})}}]);
+var conn = mysql.createConnection({host: {your_host}, user: {username@servername}, password: {your_password}, database: {your_database}, Port: {your_port}[, ssl:{ca:fs.readFileSync({ca-cert filename})}}]);
 ```
 
 ## ODBC
 ```odbc
-DRIVER={MySQL ODBC 5.3 UNICODE Driver};Server={your_host};Port={your_port};Database={your_database};Uid={your_username};Pwd={your_password}; [sslca={ca-cert filename}; sslverify=1; Option=3;]
+DRIVER={MySQL ODBC 5.3 UNICODE Driver};Server={your_host};Port={your_port};Database={your_database};Uid={username@servername};Pwd={your_password}; [sslca={ca-cert filename}; sslverify=1; Option=3;]
 ```
 
 ## PHP
 ```php
-$con=mysqli_init(); [mysqli_ssl_set($con, NULL, NULL, {ca-cert filename}, NULL, NULL);] mysqli_real_connect($con, {your_host}, {your_username}, {your_password}, {your_database}, {your_port});
+$con=mysqli_init(); [mysqli_ssl_set($con, NULL, NULL, {ca-cert filename}, NULL, NULL);] mysqli_real_connect($con, {your_host}, {username@servername}, {your_password}, {your_database}, {your_port});
 ```
 
 ## Python
 ```python
-cnx = mysql.connector.connect(user={your_username}, password={your_password}, host={your_host}, port={your_port}, database={your_database}[, ssl_ca={ca-cert filename}, ssl_verify_cert=true])
+cnx = mysql.connector.connect(user={username@servername}, password={your_password}, host={your_host}, port={your_port}, database={your_database}[, ssl_ca={ca-cert filename}, ssl_verify_cert=true])
 ```
 
 ## Ruby
 ```ruby
-client = Mysql2::Client.new(username: {your_username}, password: {your_password}, database: {your_database}, host: {your_host}, port: {your_port}[, sslca:{ca-cert filename}, sslverify:false, sslcipher:'AES256-SHA'])
+client = Mysql2::Client.new(username: {username@servername}, password: {your_password}, database: {your_database}, host: {your_host}, port: {your_port}[, sslca:{ca-cert filename}, sslverify:false, sslcipher:'AES256-SHA'])
 ```
 
 ## Get the connection string details from the Azure portal