EEK
Tables structures :P
mysql> describe CompanyDetails;
+-------------------+-------------------------------+------+-----+---------+
----------------+
| Field | Type | Null | Key | Default |
Extra |
+-------------------+-------------------------------+------+-----+---------+
----------------+
| CompanyID | tinyint(4) unsigned | | PRI | NULL |
auto_increment |
| CompanyActive | enum('1','0') | | MUL | 0 |
|
| CompanySuspended | enum('0','1','2','3','4','5') | | MUL | 0 |
|
<snip>
mysql> describe CompanyDNSZones;
+--------------+------------------------------------------------------------
---------------+------+-----+-------------+----------------+
| Field | Type
| Null | Key | Default | Extra |
+--------------+------------------------------------------------------------
---------------+------+-----+-------------+----------------+
| ZoneID | int(11)
| | PRI | NULL | auto_increment |
| CompanyID | smallint(6)
| | MUL | 0 | |
| ZoneName | varchar(250)
| | UNI | | |
| ZoneServices |
set('HasMail','HasMailingList','HasBackupMail','IsMegaDNS','IsSecondary') |
| MUL | | |
----- Original Message -----
From: "Chris Knipe" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, August 17, 2002 11:44 PM
Subject: where clause structures
> Lo everyone,
>
> I seem to be having a problem with the structuring of my query - more
> specifically, with the WHERE clause...
>
> mysql> SELECT ZoneName
> -> FROM CompanyDNSZones
> -> LEFT JOIN CompanyDetails ON
> CompanyDetails.CompanyID=CompanyDNSZones.CompanyID
> -> WHERE CompanyDetails.CompanySuspended='0' AND
> -> CompanyDNSZones.ZoneName='megalan.co.za' AND
> -> CompanyDNSZones.ZoneServices LIKE '%HasMail%' OR
> -> CompanyDNSZones.ZoneServices LIKE '%HasMailingList%';
> +---------------------+
> | ZoneName |
> +---------------------+
> | megalan.co.za |
> | lists.megalan.co.za |
> +---------------------+
> 2 rows in set (0.01 sec)
>
> How do I get it to only return the item specified in the WHERE clause?
>
> I explictly tell MySQL in my where clause to only return results where
> CompanyDNSZones.ZoneName='megalan.co.za', so where does it fall out
> returning lists.megalan.co.za as well?
>
> --
> me
>
> PS: Just for interest takes, can LEFT / RIGHT / a combination of LEFT &
> RIGHT joins be used to cross-reference three or more tables, or is it
> limited to 2 tables only?
>
>
>
>
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