- It opens a new connection to the database.
- Every time you need to open and close the database connection, depending on the request.
- Opens page whenever it is loaded.
- In Mysql_pconnect, “p” stands for persistent connection, so it opens the persistent connection.
- The database connection cannot be closed.
- It is more useful if your site has more traffic because there is no need to open and close connection frequently and whenever the page is loaded.