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I'm running a Mid-2012 Macbook Air with OS X 10.8.2 and mysql was installed with homebrew. Please take note that you need to run mysql_install_db from the with top level of the mysql directory (IE, usr/local/Cellar/mysql/5.5.25).Running it directly within the /scripts directory does not give it enough context for it to run.Using this you can then create the update script, which will actually have two sections to it.The first part of the update script uses the single record selection from last week but adds a little HTML to it to make it more useful.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.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).

The following code block has a generic SQL syntax of the UPDATE command to modify the data in the My SQL table − The WHERE clause is very useful when you want to update the selected rows in a table.

Last week I explained how to create a link for each record to point to your update script.

By using the $id variable you output links which would pass the correct ID to the script so that it can update the database.

Go to lampp/var/ and do chown -R mysql mysql/ That worked for me!

The solution that worked for me was here: https://serverfault.com/questions/334284/cant-create-pid-file-on-mysql-server-permission-denied Changing some of my permissions seemed to do the trick.