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MySQL General discussion about the MySQL database.
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Old March 25th, 2004, 09:05 PM
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Default More than 1 WHERE clause?

I need to pick selections from a table, but I have two criteria to meet and am not sure how to do it:

1) The id needs to match a variable:
    "SELECT DISTINCT city_id FROM location WHERE master_id = $siteid"
2) The id needs not to be blank - some of the entries for it may be left blank, but gathering the blank entries creates an error, so I need to have a:
     "...WHERE master_id != "

Is there a way that I can SELECT depending on two different WHEREs?

Thanks much!

Ben

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Old March 26th, 2004, 01:48 PM
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Default

Do try as this

"... WHERE ltrim(master_id) = $siteid"

or

"... WHERE nvl(ltrim(master_id),'*') = $siteid"


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