How does database connection work?

How does MySQL connection work?

The MySQL Clients send connection requests to the MySQL Server. A connection request is simply a TCP-IP connect message sent to port 3306 on the server host machine. Receiver Thread. Incoming connection requests are queued and then processed by the receiver thread one by one.

How do you connect database to another database?

Now go the control panel of the Server B where your Database is. In the control panel's Homepage go the databases section and click the Remote MYSQL option. Then add the Ip address of the Server A and click on add host. Now you can access to the database in Server B while your scripts are running in Server A.

How do tables connect to databases?

To add a column:1In the Services window, expand the node for a connected database ( ).2Expand the Tables node to display the list of tables.3Right-click the table you want to modify and choose Add Column.4Enter the values for the column in the dialog. Enter the name of the column. ... 5Click OK.

What are the four steps of connection established with a database?

The fundamental steps involved in the process of connecting to a database and executing a query consist of the following:1Import JDBC packages.2Load and register the JDBC driver.3Open a connection to the database.4Create a statement object to perform a query.5Execute the statement object and return a query resultset.