Update expected changes for mi-sql-public-demo

Author: allxiao

mi-sql-public-demo/src/main/java/com/example/MainSQL.java

@@ -28,10 +28,9 @@ public static void main(String[] args) {
         }
 
         String connString = properties.getProperty("AZURE_SQLDB_CONNECTIONSTRING");
-        String user = properties.getProperty("AZURE_SQLDB_USER");
-        String password = properties.getProperty("AZURE_SQLDB_PASSWORD");
+        String clientId = properties.getProperty("AZURE_CLIENT_ID");
 
-        connString = connString + ";user=" + user + ";password=" + password;
+        connString = connString + ";msiClientId=" + clientId + ";authentication=ActiveDirectoryMSI";
         System.out.print(connString);
 
         SQLServerDataSource ds = new SQLServerDataSource();

mi-sql-public-demo/src/main/resources/application.properties

@@ -1,3 +1,2 @@
 AZURE_SQLDB_CONNECTIONSTRING=jdbc:sqlserver://${AZ_DATABASE_SERVER_NAME}.database.windows.net:1433;database=demo;encrypt=true;trustServerCertificate=false;hostNameInCertificate=*.database.windows.net;loginTimeout=30;
-AZURE_SQLDB_USER=demo@$AZ_DATABASE_NAME
-AZURE_SQLDB_PASSWORD=$AZ_SQL_SERVER_PASSWORD
+AZURE_CLIENT_ID=<your managed identity client id>