Mysql: How to Add One Day to Datetime Field in Query

Retrieve tomorrow's date

To specifically retrieve records with tomorrow's date in your application, you might use:

SELECT * FROM events WHERE DATE(DATE_ADD(event_date, INTERVAL 1 DAY)) = CURRENT_DATE;
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This nifty code fetches records where event_date is today, as we're adding one day to achieve a match with the current date.

Shortcut syntax

A alternative for DATE_ADD exists, harnessing the power of direct interval addition:

SELECT (datetime_col + INTERVAL 1 DAY) AS new_datetime FROM table_name;
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This more concise version provides a shorthand way to add a day to the date while maintaining clarity.

Essences of timezones

Knowledge of timezones also significantly boost the performance of your SQL queries, ensuring all date and time values line up correctly. This might lead you to convert to UTC before the one-day addition, reverting back to the local timezone afterwards.

Comparison operator caution

To categorically dodge including today's date and to filter out tomorrow's records only:

SELECT * FROM events WHERE event_date >= NOW() + INTERVAL 1 DAY;
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Choose your battles wisely

Adding to specific date

Sometimes, you must add days to a specific date:

-- When every day feels like Groundhog Day
SELECT DATE_ADD('2023-03-24', INTERVAL 1 DAY) AS new_date;
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Orderly visuals

Ordering your results always helps to bring clarity to your work:

-- Because who doesn't enjoy a bit of order in their life
SELECT * FROM events ORDER BY DATE_ADD(event_date, INTERVAL 1 DAY) DESC;
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Typo catastrophes

Beware of typing errors, the archenemy of precise SQL queries. Don't subtract days accidentally:

-- Oops, back to the future we go
SELECT * FROM events WHERE event_date = DATE_ADD(NOW(), INTERVAL -1 DAY);
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A quick double-check of the interval sign can save your applications from major mishaps.

Adopting current date

When all you need is the current date:

SELECT CURDATE();
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Or if you need the timestamp:

SELECT NOW();
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Special circumstances

Leap year festivities

During a leap year, remember that February 29th is a legitimate date, and your added day might fall on this special day.

Saving daylight

For systems sensitive to daylight saving time, ensure your application respects this one-hour change.

Performance check-ins

In the realm of large datasets, always ensure that date calculations aren't slowing you down.