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Difference Between Two Date Columns In MySQL


Difference Between Two Date Columns In MySQL

By : lmh2072005
Date : November 22 2020, 10:38 AM
will help you I assume you have 2 unix timestamps.
The FROM_UNIXTIME() formats them to a string, and subtracting strings isn't a valid operation. (The to_day maybe makes it worse...)
code :
SELECT 
    mantis_category_table.name, 
    mantis_bug_history_table.bug_id, 
    FROM_UNIXTIME(mantis_bug_table.date_submitted, "%m-%d-%Y") AS DATE2, 
    FROM_UNIXTIME(min(mantis_bug_history_table.date_modified), "%m-%d-%Y") AS FirstOfdate_modified,
    (min(mantis_bug_history_table.date_modified)- mantis_bug_table.date_submitted)/ 86400 as day_difference.


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Order By Date Difference Between Two Date Columns

Order By Date Difference Between Two Date Columns


By : Brian Sereneo
Date : March 29 2020, 07:55 AM
this will help I have a table that has two datetime columns (one for start time and one for end time). , Try this::
code :
select * from table order by TIMEDIFF(to, from)
Need To combine two columns Date and Time in mysql table and find the difference with current date and time

Need To combine two columns Date and Time in mysql table and find the difference with current date and time


By : sri priya
Date : March 29 2020, 07:55 AM
it helps some times Please check the date and time taken from different columns of database and find the value i.e., not exceed 24 hrs from the current time.
code :
      date_default_timezone_set('Asia/Kolkata');

      //getting the current date and time...
      $CTime = date('Y-m-d H:i:s');

      //convert to string the current date and time...
      $CSTime = strtotime(date('Y-m-d H:i:s'));

      //Minus the 86400(value of 24 Hrs in seconds) in the converted date and time string
      $BStime = $CSTime - 86400;

      //getting the value of date and time before 24 Hrs...
      $BTime = date('Y-m-d H:i:s', $BStime);

      //Now the query is...
      $reject = mysqli_query($conn, "SELECT * FROM approved WHERE JobStatus='MailToClient' && MailDateTime BETWEEN '$BTime' AND '$CTime'");
      $row = mysqli_num_rows($reject);
      if ($row == '0')
      {
        echo "No Jobs Mails SENT for the Last 24 Hrs";
      }
      else
      {
        ....
      }
Mysql Select where time difference between columns date

Mysql Select where time difference between columns date


By : Atrim
Date : March 29 2020, 07:55 AM
should help you out How to query by selecting rows where time difference between columns date greater than X days , Use DATEDIFF()
code :
WHERE ABS(DATEDIFF(date1, date2)) > 1
I need to take the date from mysql database and print the difference between today and the fetched date

I need to take the date from mysql database and print the difference between today and the fetched date


By : Leo Stilwell
Date : March 29 2020, 07:55 AM
With these it helps You have to convert your created value into a DateTime. The timestamp value from your database looks like "2018-02-02 05:08:32". The constructor of DateTime could convert it. So, you have just to wrap your value using new DateTime() :
code :
$date = new DateTime($data->created);
$now = new DateTime();
echo $date->diff($now)->format(" %y years,%d days, %h hours and %i minuts");
MySQL table value difference related to current date and previous date

MySQL table value difference related to current date and previous date


By : user3393324
Date : March 29 2020, 07:55 AM
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