Updating mysql database with php

Reviewing the log files will tell you another instance of My SQL may be running.

To stop all instances of My SQL: Now you can restart the database and you will have a single running instance 3.

The LIMIT clause makes it easy to code multi page results or pagination with SQL, and is very useful on large tables.

Returning a large number of records can impact on performance.

Syntax "UPDATE table_name SET column_name1=' value', column_name2=' value' WHERE column_name=' value' "; Overview In this tutorial create 3 files 1.

Monitoring services with xinetd Optimizing NGINX and PHP-fpm for high traffic sites How to install htop How to delete files when argument list too long6 Months with Gluster FS: a Distributed File System How to: Install PHP w/ FPM Memcached GD My SQL on Free BSD 8NTP for Accurate Global Time Synchronization Cassandra for PHP Sessionsredis: a persistent key-value store How to hide extension in your urls with Nginx So...

This makes it much more effective for an update script.

$query = "UPDATE contacts SET first = '$ud_first', last = '$ud_last', phone = '$ud_phone', mobile = '$ud_mobile', fax = '$ud_fax', email = '$ud_email', web = '$ud_web' WHERE id = '$ud_id'"; This query tells the database to update the contacts table where the ID is the same as the value stored in $ud_id (which as you can see from the form on the previous page was set as the id of the record we are updating) and to set the following fields to the specified values (which were set using the form on the previous page).

My SQL users: Click here to download the source code that reflects the project state after the previous lesson is completed.

I have had requests for Su SE (another RPM-based distribution) as well as Debian-based systems, so I will work on variants of these directions for those distributions in the future (donations might help speed that process up! The main difference between the distributions is in the paths to the startup scripts. If you need an SSL-enabled server, I have a LAMP with SSL howto as well.

I designed this document so you can just copy/paste each line or block of commands into your shell session and it will "just work" for you.

First of all, we connect to the database and select the appropriate record.

$id=$_GET['id']; $username="username"; $password="password"; $database="your_database"; mysql_connect(localhost,$username,$password); $query=" SELECT * FROM contacts WHERE id='$id'"; $result=mysql_query($query); $num=mysql_numrows($result); mysql_close(); $i=0; while ($i As you can see, this code will output a standard form, but instead of having blank boxes like on the form for inserting a new record, this one already has the current information from the database inserted into it.

198

Leave a Reply