TIMESTAMPDIFF ( numeric-expression string-expression. when MySQL stores a value into a column of any temporal data type, it discards any fractional part and does not store it. 0 [Release 1. frequency. So maybe this problem has. The function counts whole elapsed units based on UTC with a DAY being 86400 seconds. TIMESTAMPDIFF (unit, datetime_expr1, datetime_expr2) Hàm TIMESTAMPDIFF () trong SQL trả về một số nguyên thể hiện sự khác nhau giữa hai biểu thức date hoặc datetime (datetime_expr1 và datetime_expr2). I am not sure whether there is any inbuilt function for that or not, i think it can be done by applying simple mathematics. select timestamp ('2021-01-02 03:04:05')-0;. But now i have migrated my data to Oracle. NET Framework that is supported by Connector/NET (see Table 7. 0. You can just subtract datetimes and it will return the value: select (now () - interval 2 day) - (now () - interval 5 day); The result isn't a datetime (it's some decimal coded date -- 3000000 for three days in this case), but it isn't correct to say consider a datetime and an interval as the same datatype. timestamp_start)) as total_time From timestamp. Example 1 : Getting the differences between two specified time values where the time is specified in the format of YYYY-MM-DD HH-MM-SS. Here’s an example: SELECT TIMESTAMPDIFF(unit, datetime1, datetime2) AS difference FROM your_table;Caused by: java. 1. 0 to 11. Return the current time. SELECT UNIX_TIMESTAMP(current_timestamp()) => 1516272429 To. If you divide until day, you are fine (every single day every year has the same amount of seconds). TIMESTAMPDIFF (unit,datetime_expr1,datetime_expr2) where unit argument, which should be one of the following values: MICROSECOND (microseconds), SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, or YEAR. TIMESTAMPDIFF in a php foreach-loop. timestampdiff() 日付時間式から間隔を減算します to_days() 日に変換された日付引数を返します to_seconds() 0 年以降の秒数に変換された日付または日付時間引数を返します unix_timestamp() unix タイムスタンプを返します utc_date() 現在の utc 日付を返しますI'm giving input to TIMESTAMPDIFF(HOUR,'29-10-2012','19-11-2012') but I'm getting output as 504 but the value should be 510. Please follow up in a Java newsgroup. SELECT t1. timeDiff), SECOND(x. Share. Behavior Type. Where a time stamp is a numerical value representing the number of milliseconds from '1970-01-01 00:00:01' UTC (epoch) to the specified time. TIMESTAMPDIFF(MINUTE,T. Stack Overflow. 3 Answers. Param1, t2. . For example, if we want to know the difference between two dates in seconds: SELECT id, job, TIMESTAMPDIFF(SECOND, start_date, end_date) AS runtime FROM example_table; This calculates end_date - start_date in. I take it that you are using MySQL. TIMESTAMPDIFF ¶ Calculates the difference between two date, time, or timestamp expressions based on the specified date or time part. Im not sure if using "AS thisisit" is a current function of TIMESTAMPDIFF but I. And it should include hours, minutes etc means it must be the full difference like 10:25:30 - 10:15:25 = 605 seconds. Just make the second argument '2015-01-01' and as long as your EndDate is good, it should work. If the second date or time is earlier than the first date or time, the result is negative. Learn more about TeamsMySQL TIMESTAMPDIFF() Function - The DATE, DATETIME and TIMESTAMP datatypes in MySQL are used to store the date, date and time, time stamp values respectively. timeDiff) FROM ( SELECT Sec_to_time(Avg (Timestampdiff (second, `survival`, `lastupdate`))) as. MySQL TIMESTAMPDIFF Function Example SELECT TIMESTAMPDIFF(SECOND,’2013-01-14 10:59:10′, ‘2013-01-17 11:50:34’); #262284. createDate) as createDate, min(i. 11. thanks for your input. m. Month-difference between any given two dates: Have a look at the TIMESTAMPDIFF () function in MySQL. If you wanted to avoid SEC_TO_TIME (seconds), you can build up the string yourself. . n+MySQL8. I have tried to used timestampdiff, but it takes three arguments. Thanks - I just tried this: abs (timestampdiff (month, H1DAT, '2015-07-01')) But it just returns a number of days of something. Date or DateTime could be one of them. SELECT ABS (TIMESTAMPDIFF (SECOND, start_time, end_time)). . Using TIMESTAMPDIFF : NOTE:- Following Assumptions are made for TIMESTAMPDIFF () function. 4 Answers. It is not necessary that both the expression are of the same type. You need to use the function available in your db in the below queryset. 3. About; Products For Teams; Stack Overflow. id, f. To get Current timezone of the mysql you can do following things: SELECT @@system_time_zone; # from this you can get the system timezone SELECT IF (@@session. 2 Answers. (Consider handling of open/close that span a daylight savings time change. timestamp,f. One solution you could use is extra in django queryset. Otherwise I will have to code that in PHP. The MySQL TIMESTAMPDIFF on the other hand can do a datetime second comparison: SELECT TIMESTAMPDIFF(SECOND,'2013-01-14 10:59:10', '2013-01-17 11:50:34'); # returns 262284 The result, 262284, is the real seconds between the two dates. Some people might also find it easier to read (oh, does timestamp diff. SET @date1 = '2010-10-11 00:00:00', @date2 =. 1. ), the start timestamp, and the end timestamp. Use TIMESTAMPDIFF function to calculate the minute difference between the login_datetime and MySQL begin_datetime '1000-01-01 00:00:00'; Divide the calculated minute difference by 15; Invoke CEILING function to return the. select. In MySQL, how would I get a timestamp from, say 30 days ago? Something like: select now() - 30 The result should return a timestamp. The MySQL server can be run with the MAXDB SQL mode enabled. 引数は、結果を表す単位と、差異を取る 2. Let us first create a table −. 4. 1 Answer. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Feb 4, 2020 at 8:19. EDIT The example abovee works only on mysql databases. In a Unicode database, if a supplied argument is a. For example: Check in date is 12-04-2010 Check out date 15-04-2010 The day difference would be 3. SyntaxSubtracting timestamps in MySQL. 返回值. TIMESTAMPDIFF(unit, timepoint1, timepoint2): returns the number of time units (SECOND, MINUTE, HOUR, DAY, MONTH or YEAR) between timepoint1 and timepoint2 . -- Display TimeStampDiff in truncated Seconds and Microseconds-- TimeStampDiff will set the time to midnight (00:00:00. Seems to me you are looking for the amount of seconds passed since the last_attack. TIMESTAMPDIFF method only works with datetime format. The main problem is as follows: In order to find the difference between days you need to use datediff(); datediff() returns the difference in days. Timestampdiff () function takes three arguments. SELECT start, end, TIMESTAMPDIFF(HOUR, `start`, `end`) FROM table1 WHERE start >="2018-01-01" AND ende <= "2018-12-31. jstu. Now if. Connect and share knowledge within a single location that is structured and easy to search. SELECT TIME_TO_SEC(TIMEDIFF(timea,timeb)+0)/60/60 SELECT TIMESTAMPDIFF(HOUR,timeb,timea) Note that when using DATEDIFF , the value returned is a difference between the date components of the given time - thus, a value of 23:59 on one day compared to a value of 0:01 on the next (a 2 minute difference) results in a date. Is there any way around this so the result of the query can go. 6 Answers Sorted by: 11 You could use the native TIMESTAMPDIFF function : SELECT TIMESTAMPDIFF (<INTERVAL>,<timestampFrom>,<timestampTo>); If you. On the other hand, DATEDIFF () doesn’t allow you to specify a unit. The following query selects all rows with a date_col value from within the last 30 days: . This method returns the difference between two dates in the units supplied as the first parameter. Like for example the conversion value to Hours and Minutes is 4 Hours and 30 Minutes. As the previous example demonstrates, the TIMESTAMPDIFF () allows you to specify a unit for the results to be returned as (in fact, it requires you to specify the unit). Only show hours in MYSQL DATEDIFF. Applies to: Oracle Fusion CX Sales Cloud Service - Version 11. For example, to calculate the difference between two dates in seconds, you could use the following query: SELECT TIMESTAMPDIFF(SECOND, '2021-01-01 00:00:00', '2021-01-02 00:00:00'); This would. Another approach to convert TIMESTAMP to UNIX time involves utilizing the TIMESTAMPDIFF() function in combination with UNIX_TIMESTAMP(). An expression that returns a value of built-in CHAR or VARCHAR data type. 3. The basic syntax: TIMESTAMPDIFF(unit,datetime1,datetime2); You can find a list with different types of units, check out the list in the section above. 日付の「比較」「加算」「差分」「抽出」など利用例を交えて解説します。. Follow answered Jun 7, 2018 at 11:23. timestamp 型のカラムを利用して日付の差分を取得したい場合は、そのまま減算しちゃダメ。 MySQL には各種日付用の関数があるので、適切なものを使いましょう。 3 Answers. You still need to divide it by 60 and round the result. 8,597 2 16 27. 7 Reference Manual :: 12. select(sum(df. Syntax : TIMESTAMPDIFF (unit,expr1,expr2). So, to get results that we need we can calculate the TIMESTAMPDIFF between some anchor datetime and CreatedDate and UpdatedDate instead of calculating the difference between CreatedDate and UpdatedDate. so. 私の実行系では TO_SECONDS() と同じ結果が得られました; Conclusion. Yes, because the timestamp handles the leap years. To get the 2 status codes into a single record, use a subquery to get the init records only and join it back to your table filtered saved:I need to calculate the total length in terms of Hours, Minutes, Seconds, and the average length, given some data with start time and end time. MySQL Date Functions. Then you can convert seconds to minutes, or days, or months, or etc within your case statement, depending where they fall in the range. timestampdiff(unit,datetime_expr1,datetime_expr2)中unit选项 FRAC_SECOND。表示间隔是毫秒 SECOND。秒 MINUTE。分钟 HOUR。小时 DAY。天 WEEK。星期 MONTH。月 QUARTER。季度 YEAR。年. 7 Date and Time Functions. When used as a number, a timestamp like '2021-01-02 03:04:05' will be treated as 20210102030405. last_name, b. Practice. About;. SELECT TIMESTAMPDIFF (<INTERVAL>,<timestampFrom>,<timestampTo>); If you want to find the difference between the first and the last timestamp of a given host ID, here you are: SELECT TIMESTAMPDIFF (MINUTE,MIN (pingtime),MAX (pingtime)) FROM yourTable WHERE. What I have written is : date_diff ('minute',payment_time,trigger_time) <= 15 I basically want the count of users who paid within 15 mins of the triggered time thus I. Follow. g. SELECT ROUND ( (UNIX_TIMESTAMP () - UNIX_TIMESTAMP (datetime_col)) / 60) That is returning the seconds between both time stamps. payment_time = 2021-10-29 07:06:32. 13. MySQL - Comparing Two Negative Time Values. TIMESTAMPDIFF () does not support dynamic units like that. Q&A for work. com. The value specifies the interval that is used. Subtracts the 2nd argument from the 3rd (date2 − date1). TIMESTAMPDIFF() function MySQL the TIMESTAMPDIFF() returns a value after subtracting a datetime expression from another. elapse)/60 as diff from( SELECT c1. TimeStamp2, t2. timestampdiff. SELECT SEC_TO_TIME (TIMESTAMPDIFF (SECOND,`table`. TIMESTAMPDIFF () in MySQL returns a value after dividing one DateTime expression by another. Documentation of MySQL tells that . result IS NULL) AS nr_s, (SELECT COUNT(r. date_or_time_part must be one of the values listed in Supported Date. Improve this answer. If start is greater than end the result is negative. 0), 1) AS "Worked Hours" FROM `db_foo` WHERE matriculation='X' AND date='2017-yy-yy'; which would return. 01. TRUNC(TIMESTAMPDIFF(seconds,min(BE. The supported range is '1000-01-01 00:00:00' to '9999-12-31 23:59:59'. 21. select SEC_TO_TIME (sum (diff)) as result from ( select timestampdiff (second,min (case when log_tpe='start_break' then timestamps end) , min (case when log_tpe='end_break' then timestamps end)) as diff from t group by date (timestamps),hour (timestamps) )A. status_timestamp) as last_timestamp FROM t tmain. MySql. Let us walk through them quickly: To calculate the difference between dates in days – SELECT DATEDIFF (`DATE-A`, `DATE-B`) FROM `TABLE`. walter. Fractional seconds for TIME , DATETIME, and TIMESTAMP values are supported, with up to microsecond precision. A little explanation: 7 days = 168 hours = 10 080 minutes = 604 800 seconds. montant / (datediff (NEW. It works if my beginning date is the first of january and the end date the 31st of December, but does not if it stars somewhere else during the year. Stack Overflow. 0 TIMESTAMPDIFF giving unexpected result. If your data is stored in the table in one time zone (i. 58 and found no overflow with timestamps differing by up to at least 10000 years. If you divide until day, you are fine (every single day every year has the same amount of seconds). Run SQL » Result: Click "Run SQL" to execute the SQL statement above. runTime,NOW()) > 20. The basic syntax: TIMESTAMPDIFF(unit,datetime1,datetime2); You can find a list with different types of units, check out the list in the section above. But the output I get is 1 (day). Let us now see the following methods to calculate the time difference between two timestamps in seconds. To calculate the difference between the timestamps in MySQL, use the TIMESTAMPDIFF (unit, start, end) function. The timestamp difference returns the difference between two dates in seconds. Is there any way around this so the result of the query can go. 21. Check the line when timestampdiff (minute, created_on, current_timestamp) > 3 AND < 60 then " minutes ago" to be correct you should change to when timestampdiff (minute, created_on, current_timestamp) > 3 AND timestampdiff (minute, created_on, current_timestamp) < 60 then " minutes ago". 25 < ?'I'm trying to add seconds to a date based on certain events that occur. Here is an example that uses date functions. SELECT * FROM tableName WHERE now () - interval 10 minute < stored_timestamp. Using TIMESTAMPDIFF : NOTE:- Following Assumptions are made for TIMESTAMPDIFF () function. Here’s a quick rundown of the functions you can use in MySQL: ## #TIMESTAMPDIFF TIMESTAMPDIFF() returns the difference in the given unit. Solution is using select timestampdiff(DAY, '2016-04-13 11:00:01', '2016-04-14 11:00:00'); (note the opposite. Even if there where, seem like nice trade off an extra column for not having to calculate the diff for each row on each query! Oh, and you can just retrieve what you want like this: Timer. Where a time stamp is a numerical value representing the number of milliseconds from '1970-01-01 00:00:01' UTC (epoch) to the specified time. g. About;. CONVERT(VARCHAR(10), CreatedDate, 108) returns a string with only time 15:19:53. DATEDIFF in Aurora MySQL only calculates differences in days. select TIMESTAMPDIFF (SECOND, '2018-09-05 09:26:38', NOW ()); TIMESTAMPDIFF () accepts three. MySql version >=5. Return the difference between two time expressions: SELECT TIMEDIFF("13:10:11", "13:10:10");The main misunderstanding in MySQL with timestamps is that MySQL by default both returns and stores timestamps without a fractional part. For example, if you wanted to calculate the difference between two timestamps in seconds, you would use the following query: SELECT TIMESTAMPDIFF (SECOND, start_timestamp. Sintaxis: TIMESTAMPDIFF(unit,expr1,expr2) Parámetros: Aceptará tres parámetros. DATE_FORMAT () Format date as specified. SELECT TIMESTAMPDIFF(MINUTE,'2022-02-01 10:30:27','2022-02-01 10:45:27') AS 'Difference in Minutes'; Result: +-----+ | Difference in Minutes | +-----+ | 15 |. SELECT FROM_UNIXTIME (epoch timestamp, optional output format) The default output is YYYY-MM-DD HH:MM:SS. CURRENT_TIMESTAMP returns the current datetime something like 2017-03-09 15:19:53. Its arguments are the unit in which you want the result expressed, and the two dates for. 6. Wrap TIMESTAMP() around your date string as sometimes MySQL doesn't interpret it as a date until you do, and you get weird results. 0. The schema is SYSIBM. If TIMESTAMPDIFF () returns NULL, we can find rough age by subtracting the current year from the year of birth. Here, First, we are finding the. The two expressions don’t have to be of the same type. 6 Reference Manual. DATE () Extract the date part of a date or datetime expression. 0. If you want to have the difference between two DATETIME values, use TIMESTAMPDIFF:. If you want to find the date/time difference between the first and the last timestamp of each ticket, there are several functions that can help you: select ticket_id, timediff (max (timestamp), min (timestamp)) as diff, timestampdiff (hour, min (timestamp), max (timestamp)) as diff_in_hours, timestampdiff (minute, min (timestamp), max. returns a Unix timestamp in seconds since '1970- 01-01 00:00:00' UTC as an unsigned integer if no arguments are passed with UNIT_TIMESTAMP(). You don't need to perform annotate or aggregate if you need difference for all the records. This function computes the time difference between the input timestamp and '1970-01-01 00:00:00', providing the result in seconds. I have tried the following query but it only returns the difference in seconds from the first row. INT TIMESTAMPDIFF(unit, DATETIME datetime_expr1, DATETIME datetime_expr2) Returns datetime_expr2 − datetime_expr1, where datetime_expr1 and datetime_expr2 are date or datetime expressions. The value is expected to be the result of subtracting two timestamps and converting the result to CHAR. 0. One expression may be a date and the other a datetime; a date. B/c Time will extract only time from timestamp. TIMESTAMPDIFF. Example: As an example, if timestamp A is 14:00 on Friday and timestamp B is 14:01 on Tuesday, the raw TIMESTAMPDIFF is. What this allows you to do is pass in two TIMESTAMP or DATETIME values (or even DATE as MySQL will auto-convert) as well as the unit of time you want to base your difference on. Viewed 31 times. DATE_SUB () Subtract a time value (interval) from a date. The unit for the integer result and the interval should be one of the following: SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, or YEAR. This will provide you a whole number: SELECT TIMESTAMPDIFF (WEEK, date1, date2) AS weeks; To include a fraction for days, use: SELECT TIMESTAMPDIFF (DAY, date1, date2) / 7 AS weeks_days; or a fraction for seconds, use: SELECT TIMESTAMPDIFF (SECOND, date1, date2) / 604800 AS weeks_secs; as 604800 is 7 *. I have query in Mysql which return minutes using TIMESTAMPDIFF in table. EXTRACT. MySQL the TIMESTAMPDIFF() returns a value after subtracting a datetime expression from another. minutes = total_seconds DIV 60. Below is a practical illustration of this method:In this method, we create a custom function ConvertSecondsToUnits that takes the number of seconds and the desired unit ('days', 'weeks', or 'months') as parameters. ; Second, because the comma (,). The output is 510 because start value is 29/10/2012 05:13. 6 Reference Manual. id WHERE p. Getting minute difference between two timestamps in mysql using TIMESTAMPDIFF. 3. MySQL TIMESTAMPDIFF() Function - The DATE, DATETIME and TIMESTAMP datatypes in MySQL are used to store the date, date and time, time stamp values respectively. Where a time stamp is a numerical value representing the number of milliseconds from '1970-01-01 00:00:01' UTC (epoch) to the specified time. MySQL LAST_DAY Function Examples. 4, the instances are limited in which a fractional seconds part is permitted in temporal values. MySQL 常常会接受格式不正确的日期和时间值。. TIME_TO_SEC (TIMEDIFF (endDate, startDate))/3600 as hours. sql console application and it supposed to show it as requested. timestamp 型のカラムを利用して日付の差分を取得したい場合は、そのまま減算しちゃダメ。 MySQL には各種日付用の関数があるので、適切なものを使いましょう。3 Answers. If you get a much shorter list of. microseconds. Here is an example that uses date functions. "timestamp" is a column in MYSQL which I hold a timstamp as such. mmm". Net write timeout (in seconds): Seconds to wait for data from the server before aborting the connection. 770. Definition:– SUBTIME() function is built-in MySQL function, which is commonly used to subtract a time value from a time or datetime value or exp. Subtracts the 2nd argument from the 1st (date1 − date2). Note: You need to pass two date / datetime. The value returned is an INTEGER, the number of these intervals between the two timestamps. You could use the microsecond unit and divide by 1000 - MySQL doesn't appear to support milliseconds. I ran all three examples with BENCHMARK with valid and invalid dates. For example the result must be something like 45:15:10 which means 45 hours 15 min 10 sec, or 30:07 for 30 min 07 sec. Improve this answer. PHP MySQL TIMESTAMPDIFF with seconds not working. transaction_pk = tmain. So basically what this query does is that it calculates days by deducing dates in the first line. In his requirements, the start time is in the past, but the result is a positive time difference. FROM_UNIXTIME doesn't work with negative timestamps. 3 Answers. sql. Method . +1 For keeping the query sargable and not wrapping the timestamp column within a function for comparison. ) operation (opens new. Subtracting two such "numbers" isn't going to be meaningful, except that the sign of the result will tell you which time was later. TIMESTAMPDIFF(MINUTE, TIMESTAMPADD(HOUR, TIMESTAMPDIFF(HOUR, @from, @to), @from), @to); -- 22 -- and the same for the seconds SELECT. Your first answer. Param2 FROM Table1 t1 LEFT JOIN Table2 t2 ON ABS(TIMESTAMPDIFF(SECOND,t1. The MySQL TIMESTAMPDIFF() function is used to find the difference between two date or datetime expressions. MySQL TIMESTAMPADD () adds time value with a date or datetime value. So, your query should be: select email, createddate, lastloggedin, datediff (minute, createddate, lastloggedin) from udb. net. Conclusion: In this blog, we explored several strategies to convert seconds to days,. According to the documentation, the first argument can be any of the following: MICROSECOND SECOND MINUTE HOUR DAY WEEK MONTH QUARTER YEAR2 Answers. In MySQL SUBTIME() function tutorial, we would love to share with MySQL SUBTIME() function with its syntax, definition, parameters, and several examples. . ADDDATE ( date ,INTERVAL expr unit) , ADDDATE ( date, days) The TIMESTAMPDIFF function returns the result of begin - end, where begin and end are DATE or DATETIME expressions. select t. As a result, such columns use DATETIME display format, have the same range of values, and there is no. Elasticsearch SQL accepts also the plural for each time unit (e. The minute and second functions do not return the time as minutes or seconds. DATEDIFF takes only two arguments in MySQL. Hot Network Questions Job offer doesn't smell quite right - is this a scam?. Because the number 21 matches with the %d specifier, the function takes 21 as the day value. This function takes the difference between two dates and shows it in a date format yyyy-mm-dd. timestamp off by minutes. From the Official MySQL docs: The DATETIME type is used for values that contain both date and time parts. Result is expressed as a time value (and it has the limitations of the time. userid,cb_users. 097332 trigger_time = 2021-10-10 14:11:13. Switch between time and CURRENT_TIMESTAMP, you will get a positive number. MySQL - Comparing two dates in the. so, your second date parameter subtracting from first parameter it return you 3. However, the search condition TIMESTAMPDIFF (SECOND, NOW (), (q. You just need to convert your dates to UNIX_TIMESTAMP. The problem is that you want to use TIMESTAMPDIFF on the entire no_id. The unit argument can be MICROSECOND , SECOND , MINUTE , HOUR , DAY , WEEK , MONTH , QUARTER , or YEAR . Aarthy. I have my SQL statement like this trying to get the difference in 2 timestamps greater than 10 minutes. The TIMESTAMPDIFF function returns an estimated number of intervals of the type that is defined by the first argument, based on the difference between two timestamps. According to the documentation, the first argument can be any of the following: MICROSECOND SECOND MINUTE HOUR DAY WEEK MONTH QUARTER YEAR 2 Answers. So subtracting a TIMESTAMP WITH TIME ZONE that is 5 am Eastern from a TIMESTAMP WITH TIME ZONE that is 2 am Pacific will result in an interval of 0. You need to use the function available in your db in the below queryset. status_timestamp) FROM t tsub WHERE tsub. 0. start, c1. The SEC_TO_TIME () function converts numeric seconds into a time value (in format HH:MM:SS). The MySQL TIMESTAMPDIFF () function is used to find the difference between two date or DateTime expressions. Test gives midnight of tonight, and subtracts the Post Date of an A type account. TimeStamp1, t1. g. not sure what. The Syntax. Lukas Eder. I am using the below query to find the time difference in minutes. both YEAR and YEARS are valid). SQL SELECT DATEDIFF (end_time, start_time) as `difference` FROM timeattendance WHERE timeattendance_id = '1484' start_time = 2012-01-01 12:00:00 end_time = 2012-01-02 13:00:00. TiDB 支持使用 MySQL 5. g. Updating could be done via ajax requests (probably bad idea when using multiple timestamps) or via manually incrementing the given time. +1 for to the point the stored timestamp is less than x minutes. This will provide you a whole number: SELECT TIMESTAMPDIFF (WEEK, date1, date2) AS weeks; To include a fraction for days, use: SELECT TIMESTAMPDIFF (DAY, date1, date2) / 7 AS weeks_days; or a fraction for seconds, use: SELECT TIMESTAMPDIFF (SECOND, date1, date2) / 604800 AS weeks_secs; as 604800 is 7 * 24 * 60 * 60; MySQL 将timediff输出转换为天、小时、分钟、秒的格式 在MySQL中，timediff函数用于计算两个时间之间的差异。当我们使用timediff函数后，它将返回一个时间差，并以时、分、秒格式表示。 TIMESTAMPADD(HOUR, TIMESTAMPDIFF(HOUR,CURDATE(),timestamp_column_name), CURDATE()) Instead of CURDATE() you can use an arbitrary date, for example '2000-01-01' Not sure if there could be problems using CURDATE() if the system date changes between the two calls to the function, don't know if Mysql would call both at the same time. So i want to use the same query to get the TIMESTAMPDIFF in a table in Oracle. e . TIMESTAMPDIFF - How to use it in. To define a column that includes a fractional seconds part, use the syntax type_name (fsp), where type_name is TIME, DATETIME, or TIMESTAMP, and fsp is the fractional seconds precision. I am using the DATEDIFF function to calculate the difference between my two timestamps. . Here's the sql:. Calculating the number of weeks between two dates: SELECT CONCAT (first_name, ' ', last_name) AS full_name, employment_date, FLOOR (DATEDIFF (CURRENT_DATE, employment_date) / 7) AS weeks_difference FROM employees; In this example, the DATEDIFF () function calculates the number of days between today’s date. Mysql TIMESTAMPDIFF for time datatype return negative value. Learn more about TeamsFor millisecond, the maximum difference between startdate and enddate is 24 days, 20 hours, 31 minutes and 23. TIME_START returns an interval which can be converted to seconds using extract () and those can be converted to minutes: extract (epoch from now () - a. id_participant = p.