i'm beginner for wordpress i have a database app in php and mysql i need to convert it to 

wordpress and also i what to post the database rows info by short code were id="x" like 

[pligin id="1"] it is a small database just give me a small demo code or link plz i need it

and help me to learn wordpress 

/*Hi there 
i'm beginner for wordpress i have a database app in php and mysql i need to convert it to 

wordpress and also i what to post the database rows info by short code were id="x" like 

[pligin id="1"] it is a small database just give me a small demo code or link plz i need it

and help me to learn wordpress */