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trying to understand INTERVAL

Thread began 2/20/2015 4:29 am by Jamie | Last modified 2/20/2015 2:11 pm by Jamie | 383 views | 3 replies

Jamie

trying to understand INTERVAL

Hey Jason

Am trying to understand a MYSQL statement

"SELECT *, member_info.* FROM presentations INNER JOIN member_info ON MemberNameID = MemberID WHERE Live = 1 AND DATE_FORMAT(PresentationDate, '%Y-%m-%d') >= (CURDATE() + INTERVAL 0 HOUR) ORDER BY PresentationDate ASC"



The bit I am trying to understand is

(CURDATE() + INTERVAL 0 HOUR)

- basically I am trying to undestand what changing the 0 HOUR to 1 HOUR is actually doing as at the moment set to 0 content using, for example todays date, shows the content for todays date but if I change it to 1 HOUR the content for todays date is no longer visible.

Is this a binary 1 or 0 (ie off / on) or is it a number and could be anything from 0 to 24?

Cheers

Jamie

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