How to Use MySQL Query to Find Today\'s Birthdays in a User Database?

MySQL Query to Identify Users with Today's Birthdays

To facilitate daily birthday email outreach, retrieving a list of users celebrating their special day becomes essential. Let's explore an efficient MySQL query to accomplish this task.

Suppose your database contains a column named 'birthDate' storing users' birthdays as UNIX timestamps. To identify all records where today's date matches the birthday, you can utilize the following query:

SELECT * 
FROM USERS
WHERE 
   DATE_FORMAT(FROM_UNIXTIME(birthDate),'%m-%d') = DATE_FORMAT(NOW(),'%m-%d')

Here's how this query operates:

• DATE_FORMAT(FROM_UNIXTIME(birthDate),'%m-%d') converts the UNIX timestamp stored in the 'birthDate' column into a string format ('mm-dd').
• DATE_FORMAT(NOW(),'%m-%d') obtains today's date in the same 'mm-dd' format.
• The query then compares the two string representations and returns rows where both dates match up, indicating a user's birthday today.

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