Use PHP to add, delete, modify, and query data to the database (code-only, to be improved)

: This article mainly introduces how to use PHP to add, delete, modify, and query data to the database (pure code to be improved). If you are interested in the PHP Tutorial, refer to it.

         Username    Password    ";    while($row = mysql_fetch_array($result)) {        echo "";        echo "" . $row['username'] . "";        echo "" . $row['password'] . "";        echo "";    }    echo "";    mysql_close($con);?>

Obtain all user information from the server (SQL SELECT statement) and appear in a table

Delete all user information delete. php

Register a new user insert. php

Update. php

            Use PHP to add, delete, modify, and query data in the database                
Insert:

 
Delete

 
Update

 
    

Operate.html

The above describes how to use PHP to add, delete, modify, and query (code only, to be improved) to the database, including some content, and hope to help those who are interested in the PHP Tutorial.