NYCPHP Meetup

[Halter, Shari]

Speaking of MySQL questions, can anyone recommend a good list for MySQL? 

Thanks,
Shari Halter



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Shari L. Halter
Web Programmer
Thornton Tomasetti
51 Madison Avenue
New York, NY  10010
T 917.661.7800  F 917.661.7801  
D 917.661.7970  
SHalter at ThorntonTomasetti.com



-----Original Message-----
From: Peter Sawczynec [mailto:ps at pswebcode.com] 
Sent: Wednesday, March 01, 2006 10:30 PM
To: 'Org, Talk at Nyphp.'
Subject: [nycphp-talk] A SQL Query Conundrum. I Need Your Assistance...

Sorry, another MySQL question on the PHP list, but there are so many great
users here...

I need to get all the active users email and name for personalization.

I need the correct SELECT query addressing two tables that have a one to
many relationship linked by "user_id" like the relationship shown below:

Table: Users
Fields: id   user_id 


Table: User_Attributes
Fields: id   user_id   attribute_name   attribute_value

So in User_Attributes table you see data like so:
89 78 email joe at joe.com
90 78 name joe
91 78 active yes
92 78 title CEO
93 79 email sal at sal.com
94 79 name sal
...
...


I need to get the email and name of all the users where:
attribute_name "active"  = attribute_value "yes"


I'm using this query so far:

SELECT a.user_id, b.attribute_name, b.attribute_value FROM users AS a LEFT
JOIN User_Attributes AS b ON a.user_id = b.user_id WHERE b.attribute_name IN
('active', 'email', 'salutation', 'first_name', 'last_name') ORDER BY
a.user_id 


...but this returns a rowset where each user has four rows with an attribute
value in each row.

I need all four attributes from each user to be returned in one neat row.

Additionally, I could use all the non-active users filtered out by the SQL.

Any help here?

Warmest regards,

Peter Sawczynec,
Technology Director
PSWebcode
_Design & Interface
_Ecommerce
_Database Management
ps at pswebcode.com
718.796.1951
www.pswebcode.com

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