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Query To Get Yearly Update

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Query To Get Yearly Update General SQL help. Help with MySQL, MSSQL, Oracle, mSQL, PostgreSQL, etc.

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  #1  
Old March 17th, 2003, 04:00 PM
alfienobel alfienobel is offline
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Query To Get Yearly Update
I need to create a way to send an email requesting people to re-submit a questionnaire to my database exactly one year after they posted the original.
I need a way of automating this or at least flagging up entries that are over a year old.
I'm not sure how to set up the loop to compare the date_of_registration with the current date.
I'm using php with a mySQL database. The date_of_registration field is a 'date' datatype.
Any ideas would be gratefully received.

Alf
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  #2  
Old March 17th, 2003, 06:39 PM
SeanGleeson SeanGleeson is offline
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RE: Query To Get Yearly Update
Well, to get you started, here's how to select all the records that are a year or more old.

php Code:
Original - php Code 
  1.  
  2. <?php
  3. // $db = mysql_connect goes here
  4. // mysql_select_db goes here
  5. $ayearago = "".(date("Y")-1)."-".date("m")."-".date("d");
  6. mysql_query("SELECT * FROM TableName WHERE date_of_registration <= '".$ayearago."'",$db);
  7. ?>

Once you've done a select, you can take it from there.
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  #3  
Old March 17th, 2003, 06:56 PM
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honcho honcho is offline
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RE: Query To Get Yearly Update
You can also use:

SELECT * FROM TableName WHERE date_of_registration <= NOW() - INTERVAL 1 YEAR
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Old March 17th, 2003, 08:47 PM
SeanGleeson SeanGleeson is offline
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RE: Query To Get Yearly Update
Well, sure, if you wanna do it the easy way. :rolleyes:
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Old March 27th, 2003, 01:57 PM
alfienobel alfienobel is offline
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RE: Query To Get Yearly Update
Many thanks both of you. I'm just about to try them.......
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