6. Once you have the date difference, you can use simple. Your best bet is to calculate the difference in seconds, and use a function to format the result. The datediff function can return the difference between two dates in days, months, years, minutes, etc. Problem: You have two columns of the date type and you want to calculate the difference between them. That will give you the average differences for each distinct value of col1. Using the day of the booked time as the day for reporting: select convert (date, BookedDateTime) as day, AVG (DATEDIFF (minute, PickupDateTime, BookedDateTime)) as avg_minutes from bookings group by convert (BookedDateTime, datetime, 101) Share. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. 更多 SQL Server 相關的日期時間函數在這邊. The following table illustrates the valid parts of date in SQL Server: In this article, we learned how to do SQL subtract dates using the DATEDIFF function. DATEDIFF SQL. With the SQL Server time functions, it is possible to calculate the difference between two dates in hours, minutes, and seconds. SELECT DATEDIFF(MINUTE,job_start,job_end) MINUTE obviously returns the difference in minutes, you can also use DAY, HOUR, SECOND, YEAR (see the books online link for the full list). The functions in this section use a format string that is compatible with JodaTime’s DateTimeFormat pattern format. 1. Select idcode, datetime, Difference = datediff (millisecond,. timediff between rows. Definition and Usage. 0. answered Aug 1, 2014 at 6:27. You end up with. date1, date2: a valid time, datetime, or parsable time/datetime string. Hallo All, I want to find the difference between two order dates, which have the order numbers 3 and 1 and write it to another column (named fark) for each Cust_id. Delaying Execution. For example, TIMEDIFF() outputs is hours, minutes, seconds. Use the DateDiff function in VBA code. 0 would return 0, but DATEDIFF(second, start_date, end_date) / 3600. Relational databases store information in table cells — in columns that describe aspects of an item and rows which tie together the columns. mySql TimeDiff between TimeStamp in Rows of a Single Table. Returns the difference between two timestamps measured in units. October 10, 2023. To get the difference in hours, choose hour. Assuming all of your data is "good" (any bad data can get in there when you use the wrong data type), this should work without any conversions. createdon,c1. 2 Answers. The time value can represent elapsed time as well. datediff (timestamp) function. Column name), Column name) AS days_since_last FROM table name AS b. If you have the string representation of a date, use DateTime. How to calculate DateDiff in minutes correctly?Im using this: update client_invoices set x6 = datediff(x4, date_due) as an event in mysql but everytime they updates the server the "Event scheduler status" is turned off. I guess this works in any version of SQL since cast a datetime to float is compatible since version 2005. MySQL TIMEDIFF () Function. SubmittedDate = 2012-02-29 07:02:55. Multiply by 24 to get hours, and so on. Example #1 – Calculating Age. Sintaxis. 1. date_part is the part of date e. It's also easier to read the result if you add padding so the format is always hh:mm:ss. 1 Answer. Use SQL DATEDIFF to return the difference between the two dates based on a specified. The function returns the result of subtracting the second argument from the third argument. Sql server supports adding and subtracting on Datetime data type, so you can simply do something like this: DECLARE @StartTime datetime = '2016-05-10 02:25:34. Cú pháp sử dụng hàm DATEDIFF () Hàm DATEDIFF () được sử dụng để kiểm tra sự khác biệt giữa hai khoảng thời gian, cú pháp của hàm DATEDIFF () như sau: DATEDIFF(interval, date1, date2) Tham số: interval là khoảng sử dụng. The datepart is a part of the date in which you want the function to return. Return the difference between two time expressions: SELECT TIMEDIFF ("13:10:11", "13:10:10"); Try it Yourself » Definition and Usage The TIMEDIFF () function returns the difference between two time/datetime expressions. MySQL timediff function does not give proper output. 2. 適用於： SQL Server Azure SQL Database Azure SQL 受控執行個體 Azure Synapse Analytics Analytics Platform System (PDW) 此函式會傳回跨越指定 startdate 和 enddate 之指定 datepart 界限的計數 (作為帶正負號的整數值)。. We will use the below date for the examples. October 10, 2023. 2. if you are on sql server 2008, there is the DATE date time which has only the date part, not the time: select cast (GETDATE() as DATE) --2012-05-01 Share. Let us use the MySQL TIMEDIFF() function to find the values of the following – Time difference between 622:45:22 and 15:10:33 and, Time difference between. Something like: SELECT DATEDIFF (d, StartDate, EndDate) FROM tableName. If you want the value as an exact figure (or nearabouts), you should datediff the dates on days, then divide by 30. T-SQL DATEDIFF returns Years and Month. Sorted by: 21. 0 and above. The SQL DATEDIFF function is a built-in function in SQL that calculates the difference between two dates or times. SQL Server does not. That prevents SQL Server from using. example, if start_date and end_date differed by 59 seconds, then DATEDIFF(MINUTE, start_date, end_date) / 60. 0. So, we can use the TIMEDIFF() function with time values greater. datediff(endDate, startDate) Arguments. 000. We will use the following query : Query: CREATE TABLE sample_table (valuesDatetime DATETIME); Step 4: Inserting values into the Database. sql. Multiply this by 48 to give the number of half-hour intervals. sql. Use DATEDIFF(DAY, column, GETDATE()). Invalid function type [TIMEDIFF] for window function. e. Follow. SQL Server Syntax DATEDIFF(datePart, date1, date2) The DATEDIFF() function in SQL Server has three required parameters:. MySQLだけでDateTime - DateTimeなどの時間差分を取りたい…やり方を知らないとカラムA／Bの時間を別々に取得し、それをスクリプト側で計算みたいな遠回りをしがちです。ところがMySQLにはTIMEDIFF()という便利な関数が用意されてます。この関数が本当に便利なので、知らない人の為にTIMEDIFF()をまとめ. So, subtracting '20:31:00' from '23:00:00' gives 22900, meaning 2 hours 29 minutes 00 seconds. SELECT datedifference (date1,. MySQL の TIMEDIFF () は日時や時間型の値を二つ、入力引数として受け取り、その差分の時間を返す日付関数です。. 0. All you need is to execute the code below and then use the function. Both arguments of this function must be of same type (either time or date-time) . 4. In MySQL, the TIMEDIFF () function is used to return the difference between two time or DateTime components. AT TIME ZONE. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. If start is greater than end the result is negative. Note: time1 and time2 should be in the same format, and the calculation is time1 - time2. You'll get a more accurate result if you compute the difference between the two dates in days and divide by the mean length of a calendar year in days over a 400 year span (365. prepareCall ("select TIMEDIFF ('2013-12-09 06:22:01','2013-08-07 05:22:01') as time_used from dual"). Another way to solve this (without calculating the date difference 3 times or more) is to get the total number of years when subtracting the two values: SELECT datediff (YEAR, '1900', DATEADD (d, -1, GETDATE ()) - r. If either startdate or enddate have only a time part and the other only a date part, DATEDIFF sets the missing time and date parts to the default values. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. The math is 100% accurate for dates within a couple of hundred years or so. The TIMEDIFF() function returns the difference between two TIME values (time1 - time2) in the format 'HH:MM:SS'. Note that SQL Server DATEDIFF function returned 1 year although there are only 3 months between dates. The value is expected to be the result of subtracting two timestamps and converting the result to CHAR. TableA -- please always specify schema (2) WHERE productDate < '20131209'; -- always use a semi-colon (3) -- and always use a non-regional, unambiguous date format (4) The reason this will be best is because it gives the optimizer the best chance to use an index on the. MS Sql Datediff Function. Run SQL ». To get the difference in hours, choose. It shows us that there are 36 hours, 15 minutes, and 35 seconds between the two date-and. In this case, the enddate is arrival and the startdate is departure. 3. 2. Tried now the following that I got from : MySQL GROUP BY DateTime +/- 3 seconds but also no joy yet. How can i perform this directly in my sql without scheduling events?DATEDIFF function. sql timediff function. g. g. 0. 0. 1. If you have any bad data which cannot be converted to date then who may have to filter out those data before converting to date. IDATEDIFF関数は、引数で指定された2つの日付間の差を求める関数です。第2引数から第3引数を引きます。このとき第1引数で指定した要素（年、月、日など）に付いて引き算が行われ、その差分が整数の値で返ってきます。いちれべ. Column [source] ¶ Returns the number. The MySQL TIMEDIFF() function returns the difference between two time or datetime values. The value can be a string literal or can be unquoted (e. I have two columns that have time data that looks like "2017-12-06 18:50:27 +0000" . DATEDIFF Examples Using All Options. 0 The documentation for DATEDIFF is available on MSDN:pyspark. datediff. PostgreSQL provides a datediff function to users. DECLARE @NumberOfSeconds int SET @NumberOfSeconds = 3843 -- 1 hour, 4 minutes, 3 seconds SELECT @NumberOfSeconds AS 'seconds', CONVERT (varchar, DATEADD (second,. Thanks!An expression that returns a value of built-in CHAR or VARCHAR data type. For neatness, I've also rounded to. 0 and above. The way it works is, you provide the two values to compare, and TIMEDIFF() subtracts the second value from the first, then returns the result as a time value. Possible Duplicate: MySQL convert timediff output to day, hour, minute, second format. SELECT datedifference (date1,. Function will return number of days between startdate and enddate. 1. *,DATEDIFF(mi,c2. The calculation is correct, and the output is easily interpretable. datediff (timestamp) function. @asfasas You can always convert the results using a proper mask. CreatedDate, DATEDIFF (DAY, a1. If only a date value is assigned to a variable of a time or date data type, DATEDIFF sets the value of the missing time part to the default value: 00:00:00. Then you'll see the number of full hours, full. To get date difference, difference between two dates you can use DATEDIFF function. 1. I need the Oracle equivalent to the SQL Server DATEDIFF function to compute the difference between two dates. In SQL Server: Like we do in SQL Server its much easier. The DATEDIFF function results are truncated, not rounded, when the result is not an even multiple of the date part. 1 year and 2 months. 5 hours). You get the difference between two DATE values in days by subtracting one from the other. DATEDIFF - Display result in Hours and minutes. I have the following conditional statement in my SQL query: WHERE TIMEDIFF("03:00:00", VARIABLE) >= "00:05:00" The above works as expected. The results are limited to TIME values ranging from - 838:59:59 to 838:59:59. datediff function. See more linked questions. Here I need to calculate the difference of the two dates in the PostgreSQL. both YEAR and YEARS are valid). MySQL calculation minute using TIMEDIFF() 5. select ID, emp_name, emp_dateOfBirth from Employee. This function. DatePart. This function was run on. 9. Something like: SELECT DATEDIFF (d, StartDate, EndDate) FROM tableName. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Must be one of the values listed in. Applies to: Databricks SQL Databricks Runtime 10. 4,433 questions Sign in to follow. WITH Calc AS ( SELECT S. You can add hours, minutes, seconds, and milliseconds at the same time in the time value. Difference in minutes from two time fields in MySQL. For instance. Connect and share knowledge within a single location that is structured and easy to search. The default column name for the DATEDIFF function is DATE_DIFF. 0. On Db2 11. Bid DESC ) AS T ) SELECT Pair, AVG(DIFF) FROM. MS Sql Datediff Function. The DATETIME system is newer (but still old — circa 1990). 671'), 0), 114) to. 3. This function is a synonym for timestampdiff function. I prefer this method because it is easier to. The TIMESTAMPDIFF function allows its arguments to have mixed types e. So, LOG table contains shift details. The DATEPART() function returns an integer which is a part of a date such as a day, month, and year. It can be one of the following formats: Year:. Dim TheDate As Date ' Declare variables. If you want to do it pure SQL here's one approach. Applies to: Databricks SQL Databricks Runtime 14. DATEPART function is used to return a part of a given date in a numeric value. Must be one of the values listed in Supported Date and Time Parts (e. 1. The Technet article details the return value of the DateDiff Function - note that it's only int. This is because it only compares the date values (it ignores any time values). Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest,. The second parameter of DATEDIFF takes a datetime so your string is implicitly converted to a datetime. So DATEDIFF () returns the same result as in the previous example. For a better code readability, one must ensure that the code is correctly indented so the reader understands which “DATEPART”. Edit the SQL Statement, and click "Run SQL" to see the result. Where a. Let’s see a few examples of SQL subtract date from the DATEADD function: In the below example, we are adding one month to the existing date ‘20220730’. The datediff Function plays an important role in the database management system because datediff functions as a calendar and is very helpful to users. #1752702. g. Hot Network Questions Using Parseval's to Evaluate an Integral Energetic man and his boisterous son are a better fit as colonists than on an overcrowded Earth Take BOSS to a SHOW, but. Example 5: Use Current Date. The syntax is: DATEDIFF ( datepart , startdate , enddate ) For parameter datepart, refer to the following table: Datepart. How to use TimeDiff function in Where clause. Example 5: Use Current Date. Datediff will return 1 (when you use dd or equivalent), because the day part of the 2nd date is one more than the 1st. SELECT id, timeIn, timeOut, TIMEDIFF( timeOut, timeIn ) AS timeDifference FROM table WHERE TIMESTAMPDIFF( SECOND, timeOut, timeIn ) > 180000; This. 1. We can get the difference in any type of datepart format like difference in days, month, year and etc. INTERVAL '1-2' YEAR TO MONTH. TheDate = InputBox ("Enter a date") Msg = "Days from today: " & DateDiff ("d", Now, TheDate) MsgBox Msg. startdate: The starting datetime value. Timestamp DESC. MySQL calculation minute using TIMEDIFF() 0. TIMEDIFF () is essential for time-based analysis by enabling you to measure the duration of events or actions. Run SQL ». The DATE type is oldest (it was in the precursor to the SQL-based Informix), and represents the integer number of days since a reference date (where day 0 is 1899-12-31, so day 1 was 1900-01-01). In case you use a DATE value, the TIMESTAMPDIFF function treats it as a DATETIME value whose time part is. Date Interval Calculation: The number of specified date parts between two provided dates is found using the DATEDIFF () method. --Changing current database to the Master database allows function to be shared by everyone. If the records have sequential id's you could do a self join like this: SELECT t2. If you want the result in days/hours/minutes you can use modulus division:1 Answer. Pair = s. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. 1. The syntax for DATEDIFF is pretty straightforward: DATEDIFF (datepart, startdate, enddate) Let’s explore the parameters used here: datepart: The unit of time you want to use for the calculation, like year, quarter, month, day, or even smaller units like hour, minute, or second. SELECT DATEDIFF (YY,'01/02/2011 15:00:00','01/01/2016 14:00:00') 5. If you need the difference in seconds (i. MySQL TIMEDIFF(DATE, DATETIME) 0. (For more information about how DateDiff() works see DATEDIFF Function Demystified. Dalam artikel ini. 53. CreatedDate, a2. If start is greater than end the result is negative. SQL Fiddle Demo;WITH cte AS ( SELECT *, ROW_NUMBER() OVER (PARTITION BY userid ORDER BY DATE ASC) AS rn FROM dbo. CONVERT will convert to '27'. The TO_DAYS () function returns the number of days between a date and year 0 (date "0000-00-00"). userid AND c1. You can observe the output that we have added 10 seconds, 10 minutes, and 10 hours in the current time of the system. datepart 値を変数に指定することはできません。 また、'month' のように引用符で囲まれた文字列として指定することもできません。STEP 1: Calculate the difference between the Order date and Ship date to know how long it took. 6. Plus one for the example that shows GETDATE () and not just DATEDIFF, which is part of what OP needs. Parse [ ^] to parse it. You get the difference between two DATE values in days by subtracting one from the other. Also stop using lazy shorthand like DATE1 - DATE2 (it doesn't work with the data types you should be using since SQL Server 2008). DATEDIFF() is a function found in SQL Server and MySQL that calculates and returns the difference between two date values. SELECT DATEDIFF (day, '2019-12-05 08:09:55', GETDATE ()); Result: 39. e. I cannot figure out how to functional query in mysql, Can you give some information of how can achieve this with mysql query. ) and rest are two dates which you want to compare. From second to datetime sql server. Syntax. To compare dates in SQL, the most common functions used are DATEDIFF, DATE_ADD, DATE_SUB, and NOW. It can be used to do date math as well. Answer: Oracle supports date arithmetic and you can make expressions like "date1 - date2" using date subtraction to get the difference between the two dates. 'month' or month ). For example, if you wanted to find the number of days between two dates, you would use the following query: SELECT DATEDIFF (end_date, start_date, 'day') FROM. It's possible to calculate the next date, and then use datediff/timediff to find the seconds to next day, and convert the result to timestamp. Requires 3 arguments. The output is in hours:min:sec. Return the current time. I need to get scenario value when timediff(c2,c3) > 30 MIN SELECT scenario, rowcreatedctime,eventtime FROM `chat_assist_session_request` LIMIT 1 scenario rowcreatedtime eventtime scen1 2014-09-02 09:00:00 2014-09-02 09:45:00 scen2 2014-09-02 10:00:00 2014-09-02 10:13:00 I would like to query a database using sql to show the difference in time between id 1,2,3 and so on. function. enddate: The ending datetime value. DATEDIFF( date_part , start_date , end_date) Code language: SQL (Structured Query Language) (sql) The DATEDIFF() function accepts three arguments: date_part , start_date , and end_date . In this example, you want to express the difference in days, so the first argument is day. column. DATE_SUB () Subtract a time value (interval) from a date. Finding the interval between dates in SQL Server. Tham Gia Nhóm - Hỗ Trợ Lập Trình. 9. select (test_time - sysdate)*24*60 from test; This value is negative if test_time is lies in. Using T-SQL DATEADD and DATEDIFF function. You could try the following. sql server function. TSQL DateDiff to return number of days with 2 decimal places. If start is greater than end the result is negative. 較舊的日期減較新的日期會得到負數：. The result is a signed integer value equal to (date-expression-2 - date-expression-1), in date parts. In PostgreSQL, you can take the difference in years, multiply by 12 and add. A Microsoft extension to the ANSI SQL language that includes procedural programming, local variables, and various support functions. 25; You might want to truncate result of above query to two decimal places. The MySQL TIMEDIFF() function returns the difference between two time or datetime values. To calculate the difference between two dates, you use the DATEDIFF () function. rn - 1 WHERE c1. DATEDIFF(hour, start_date, end_date) will give you the number of hour boundaries crossed between start_date and end_date. DateDiff to find duration in minutes not working. Mysql timediff returning two different values. DECLARE @date datetime2 = '2021-01-07 14:36:17. USER_FECHA_INCORPORACION, AGENTE. SQL Server. Note that unit values can be different in SQL Server DATEDIFF and MySQL TIMESTAMPDIFF. These functions can be used in SQL Server queries to perform various date and time operations, such as filtering records based on dates, calculating date differences, and formatting. Difference between two dates returned in hours,minutes,seconds. Weeks, quarters, and years follow from that. 1. This example uses the current date to find the difference between the current date and a specific date. In this article: Syntax. DateGroup. SELECT DATEADD (month, 1, '20220730'); The below DATEADD will add 1 year to the provided date value, the year changed from 2022 to 2023. Posted 1-Mar-15 0:14am. The int data type takes 4 bytes as storage size whereas bigint. SQL to return seconds difference between two rows. For neatness, I've also rounded to a single decimal place. The schema is SYSIBM. Diff the minutes, then divide to get days)SQL Sever - Datediff, hours, but exclude Saturday/ Sundays. Complete command we have used to display record is like. 000', @EndTime datetime = '2016-05-10 03:31:00. Datediff between 2 columns in same table. Hopefully this gets you pointed in the right direction! Thanks for response Eric TIMEDIFF also gives me time difference. 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. Returns the difference between two timestamps measured in unit s. The default column name for the DATEDIFF function is DATE_DIFF. *, t2. Where a. You don't specify the granularity you want for the diff. 0. 1. The WEEK_OF_YEAR_POLICY session parameter controls how the WEEK and YEAROFWEEK functions behave. The best will likely be: SELECT <column list> -- not * (1) FROM dbo. TIMEDIFF () is useful for filtering records or data based on time criteria, such as selecting records within a specific time range. The syntax goes like this: TIMEDIFF(expr1,expr2) Where expr1 and expr2 are the two values. No longer do you need to use temporary tables although using staging tables for further calculation could be required. Syntax TIMEDIFF( <date_or_time_part> , <date_or_time_expr1> , <date_or time_expr2> ) Arguments date_or_time_part The unit of time. CreatedDate) as Difference from Registration a1 inner join Registration a2 on. the difference between two time expressions: SELECT TIMEDIFF ("13:10:11", "13:10:10"); Try it Yourself » Definition and Usage The TIMEDIFF () function returns the. In MySQL, you can use TIMESTAMPDIFF function. 0. 0. Examples0. MySQL TIMEDIFF() With Large Values. Description. I) if you need to calculate the elapsed time in seconds between two timestamp columns try this: SELECT extract ( day from (end_timestamp - start_timestamp) )*86400 + extract ( hour from (end_timestamp - start_timestamp) )*3600 + extract ( minute from (end_timestamp - start_timestamp) )*60 + extract ( second from (end_timestamp - start. This function is a synonym for timestampdiff function. Timediff() The timediff(A,B) routine returns a string that describes the amount of time that must be added to B in order to reach time A. datediff. The TIME_DIFF function allows you to find the difference between 2 time objects. ADDTIME(), TIMEDIFF() SQL Time Functions in MySQL- Example Sample output 5 . If year numbers are different calculation of 52 * year difference + week number. DATEDIFF : DATEDIFF_BIG : This is a very old function and it is available from the initial release SQL Server. SELECT *, ISNULL(DATEDIFF(mi, LAG(CreateDate,1) OVER (ORDER BY ID), CreateDate), 0) AS Duration. SQL Server: -- Difference between Oct 02, 2011 and Jan 01, 2012 in years SELECT DATEDIFF (year, '2011-10-02', '2012-01-01'); -- Result: 1. 4 and above. Example 4. One month is considered elapsed when the calendar month has increased and the calendar day and time is equal or greater to the start. SparkSQL - Difference between two time stamps in minutes. datediff. TIMEDIFF¶ Calcula a diferença entre duas expressões de data, hora ou carimbo de data/hora com base na parte de data ou hora especificada. SQL Server DATEDIFF Function Summary: in this tutorial, you will learn how to use SQL Server DATEDIFF () function to calculate the number of years, months, weeks, days,etc. So, the difference between Jan 1 20015 and Dec 31 2016 is 1 year. Improved version, using an arbitrary date. We need to create a table that has at least one column with a specified DATETIME datatype. TimeDifference (@FromTime TIME (7), @ToTime TIME (7)) RETURNS VARCHAR (10) AS BEGIN DECLARE @Diff INT = DATEDIFF (SECOND, @FromTime, @ToTime) DECLARE @DiffHours INT = @Diff / 3600. Calculate working hours using DATEDIFF in SQL Server. ), the start date or time that specifies the beginning of the period. La función DATEDIFF() en SQL devuelve la diferencia entre dos fechas. year: January 1; quarter: January 1, April 1, July 1, October 1; month: the first day of the month; week:. The SQL DATEDIFF function calculates and returns the difference between two date values. #1582 - Incorrect parameter count in the call to native function 'DATEDIFF'. LastName AS Name, Feeds. Note: As TT rightfully wrote in his comment,. The following. 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. startdate: The starting datetime value. Firebird - Calculate time difference between two rows. Example of the possible combinations below: Interval. DATEDIFF with examples DATEDIFF function accepts 3 parameters, first is datepart (can be an year, quarter, month, day, hour etc. Subtracting a later time '23:59:00' from an earlier time '00:53:00' obviously gives a negative value -230600. Run SQL ». SELECT id, timeIn, timeOut, TIMEDIFF ( timeOut, timeIn ) AS timeDifference FROM table WHERE TIMESTAMPDIFF ( SECOND, timeOut, timeIn ) > 180000; This statement will output the fields for each record where the difference between the two timedates is one second or more over 50 hours (or 180000 seconds ). how to get date difference between two dates using DateDiff Excluding the weekends. NOTE: This code shows that you cannot go past 24 hours in a time; it just wraps back around (with no error!): declare @FirstTime time (7) SET @FirstTime = '23:05' print @FirstTime Set @FirstTime = DATEADD (HOUR,1,@FirstTime) print @FirstTime. DATEDIFF : DATEDIFF_BIG : This is a very old function and it is available from the initial release SQL Server. Return the current time. SELECT DATEDIFF (YY,'01/02/2011 15:00:00','01/01/2016 14:00:00') 5. The SQL DATEDIFF () function is an in-built function in SQL that is used to return the difference (as a signed integer value) between two dates or times. sql. Thuộc về danh mục hàm Date. enddate)) AS timediff FROM MYTABLE t GROUP BY t. user_id, TIMEDIFF(MIN(t. comは、オラクル、MS-SQL、MS-Access で使用可能か一目でわかるページ. Edit the SQL Statement, and click "Run SQL" to see the result. 4 Answers.