I have two tables 'poolTemp' and 'weather'. Both tables contain the columns "timeStamp" and "tempC". I want to join the tables with both "tempC" but only when poolTime.timeStamp is within 5 minutes of weather.timeStamp poolTemp.timeStamp data is recorded up to…
For a table like this named Activity: player_id device_id event_date games_played 1 2 2016-03-01 5 1 2 2016-03-02 6 2 3 2017-06-25 1 3 1 2016-02-02 0 3 4 2018-07-03 5 I wonder why the following query only returns the…
$a = new DateTime("2023-05-31", new DateTimeZone('Europe/Rome')); $b = new DateTime("1970-05-31", new DateTimeZone('Europe/Rome')); var_dump($a->diff($b)->y); // int(52) $a = new DateTime("2023-05-30", new DateTimeZone('Europe/Rome')); $b = new DateTime("1970-05-30", new DateTimeZone('Europe/Rome')); var_dump($a->diff($b)->y); // int(53) Why in the first case the diff is 52? I…
I have table with changelog, every row give me specify inormation about actions. Example: Ticket closed on 2022-06-26 14:12:07.000 Ticket reopened on 2022-06-28 08:35:59.000 Ticket closed on 2022-06-28 12:55:11.000 Ticket reopened on 2022-06-30 17:04:34.000 In other table I have information…
I want to get the number of days between the two dates. // DD-MM-YYYY $date[0] = "01-03-2023"; $date[1] = "30-03-2023"; echo date_diff(date_create($date[0]),date_create($date[1]))->d + 1; The program above returns 2, instead of the right number of days.
I tried this but how to calculate for leap years. SELECT FLOOR(DATEDIFF(NOW(), date_of_birth) / 365.25) as years, FLOOR(MOD(DATEDIFF(NOW(), date_of_birth), 365.25) / 30.4375) as months, MOD(DATEDIFF(NOW(), date_of_birth), 30.4375) as days FROM employees; Can anyone please help
So, next problem :'), I have the following query that @MatBailie provided to me here (thanks again!): SELECT taskname, employee, SUM( DATEDIFF( LEAST( enddate, '2023-12-31'), GREATEST(startdate, '2023-01-01') ) +1 ) AS total_days, FROM schedule WHERE startDate <= '2023-12-31' AND endDate…
I have two dates, e.g. '2022-01-03' and '2022-03-04', is there any neat way to calculate ONLY the completed full calendar months between these dates? Some examples with their requested outputs: '2022-01-03' and '2022-03-04' full calendar months = 1 since only…
i am beginner at php. I want to calculate exact total number of days between two dates using php, mysql and want to show it in html form. I tried datediff but it doesn't works as it gives , diffrence…
I'm having some trouble with the final column that is to give me the number of days between the first and last date a movie was rented. My instructors correct output: My incorrect output. Some of the output in my…