Create the stored procedure. BUT now I'm trying to code like this: coalesce (datediff (day, to_date (datvr::varchar, 'YYYYMMDD'), to_date (datvrn::varchar, 'YYYYMMDD')), 0) DAYSTONEXTPO. select ADD_MONTHS(CURRENT_DATE,-1) as result; The main difference between add_months and dateadd is that add_months takes less parameters and will return the last day of the month for the resultant month if the input date is also the last day of the month,We would like to show you a description here but the site won’t allow us. 0 as HoursRoundedToHalfHour, Casting a datetime value to float gives you the number of days since a particular date. Using your sample: SELECT CASE WHEN datediff (year, date_column, getdate ()) > 1 THEN datediff (year. My time stamps are down to the milisecond. When calculating it, only from 9am till 17pm and weekdays are needed to be accounted. for the first record, it must be calculated from 9am on 2021-05-19, hence the result would be 45 minutes. to round -0. 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. Snowflake does not allow to run session variable statement and dashboard query statement together. I am working on Snowflake, need to substract 2 hours from specifc date:. datediff (part: str, col1: ColumnOrName, col2: ColumnOrName) → Column [source] ¶ Calculates the difference between two date, time, or timestamp columns based on the date or time part requested. convert(varchar,cast((End_Datetime-Start_Datetime) as time),108) how to convert this to snowflakesnowflake. *, min (date) over (partition by cardid) as min_date from t ) t where legit = 0 and date < min_date + interval '10 day. I am new to snowflake. datediff function. snowflake. I tried with this, but this is the last 7 days, without considering week end or start. functions. All datediff() does is compute the number of period boundaries crossed between two dates. snowpark. Log In to Answer. An alternative sql only solution - start and end dates go into the current_date() spots. I've tried the Snowflake help guide but I want to avoid executing multiple queries. For example if you want to add 2 days, then this will be DAY. Invalid function type [DATEDIFF] for window function. create or replace table interval (id integer, interval_start time); insert into interval (id,interval_start) select id, to_time (dateadd (hour,id,to_timestamp_ntz ('1970-01-01'))) from ( select 0 as id union select row_number () over (order by. is '0000-00-00'). 要求された日付または時刻の部分に基づいて、2つの日付、時刻、またはタイムスタンプ式の差を計算します。この関数は、3番目の引数から2番目の引数を減算した結果を返します。 マイナス記号（-）を使用して日付を減算することもできます。Truncates a DATE, TIME, or TIMESTAMP to the specified precision. SELECT column_name as 'Column Name', data_type as 'Data Type' FROM information_schema. snowflake. Ask Mike anything about becoming a Data Superhero, building ML models, his journey as a global nomad, and more! snowflake. e. Introduction to MySQL DATEDIFF () function. snowpark. functions. Current Date/Timestamp Functions. CONVERT will convert to '27'. g. Write resolution instructions: Use bullets, numbers and additional headings Add Screenshots to explain the resolution Add diagrams to explain complicated technical details, keep the diagrams in lucidchart or in google slide (keep it shared with entire Snowflake), and add the link of the source material in the Internal comment section Go. Not finding anything in the Snowflake documentation about how this filter is suppose to work, just that it exists. For example: Truncating a timestamp down to the quarter returns the timestamp corresponding to midnight of the first day of the quarter for the input timestamp. たとえば、 DATEDIFF (milliseconds, '00:00:00', '00:00:01. It is possible that there is something wrong in another part of the query. datediff(part: str, col1: ColumnOrName, col2: ColumnOrName) → Column [source] Calculates the difference between two date, time, or timestamp columns based on the date or time part requested. Must be one of the values listed in Supported Date and Time Parts (e. functions. snowpark. Returns the current timestamp for the system, but in the UTC time zone. Right now, you are reffering to a whole column, so it does not know which value in the column to use. This is the date or timestamp expression to which you want to add a specified number of months. これは、追加する時間単位を示します。例えば、2日を追加する場合、これは DAY になります。 この測定単位は、 サポートされている日付と時刻の部分 にリストされている値のいずれかでなければなりません。 valueUsage Notes¶. O sinal de menos ( -) também pode ser usado para subtrair datas. Multiply this by 48 to give the number of half-hour intervals. 2. We define working hours as time spent between a start time (say 9am) and end time (say 6pm) on. Input: DAY ----- 2022-06-09 2022-04-04 Output DAY_MONTH -----. You can use the SWITCH statement form of CASE thus you just need to branch the options you want, and matching one will be used. For the 2-argument version: The source_timestamp argument is considered to include the time zone. 2022-02-07 12:57:45. But if you want to count orders over some subset you could, for example, count customers by order type:. What about bank holidays? The typical way this is handled is to create a Calendar table with one row per day for the next N years, with fields for year, month, week number, day etc and flags that determine whether it's a working day, holiday, weekend etc. I guess first I need to find "min_data" for value, then "next_date" and calculate "DATEDIFF". 123 seconds, not 1. Below is SQL Server:Get the Average of a Datediff function using a partition by in Snowflake. we are evaluating both products, Snowflake as a data warehouse and PowerBI as the visualisation platform for dashboarding / reporting needs. This is how I was able to generate a series of dates in Snowflake. functions. –snowflake. Snowflake does not allow to run session variable statement and dashboard query statement together. Example: DATEDIFF on several events for specific value. The function returns the result of. select post_visid_high || ':' || post_visid_low as visitor_id , lag (date_time) over (partition by visitor_id order by date_time asc) as previous_date , datediff (minute, previous_date, date_time) as difference_in_minutes from adobe_data. The LAG () function is used to extend the delay or fall behind to perform an action. Result as Date — Image by Author Function 3: Date Difference. g. Using PySpark SQL functions datediff(), months_between() you can calculate the difference between two dates in days, months, and year, let’s see this by using a DataFrame example. For more details about sequences in. How exactly did you get this to work against. I am using DATEDIFF(minute, date1, date2) to compare them, however, in some records the date is Null, which returns a null result and messes up the CASE. sql. case when datediff ('MONTH', FISCAL_CUR_YEAR, V_DATE_1) < 0; then datediff ('MONTH', DATEADD (year,-1, FISCAL_CUR_YEAR), V_DATE_1)+ 1;. Excluding only weekends doesn't work for business purposes. Das Minuszeichen ( -) kann auch zum Subtrahieren von Datumsangaben. datediff (to_date (String timestamp), to_date (String timestamp)) SELECT datediff (to_date ('2019-08-03'), to_date ('2019-08-01')) <= 2; to_date is unnecessary if the column is already in 'yyyy-mm-dd' format. Creates rows of data based either on a specified number of rows, a specified generation period (in seconds), or both. datediff (part: str, col1: Union [Column, str], col2: Union [Column, str]) → Column [source] ¶ Calculates the difference between two date, time, or timestamp columns based on the date or time part requested, and returns result of col2 - col1 based on the requested date or time part. date_from) = 1. Otherwise, the current session time zone is used. SELECT date_from ,date_to ,part ,case part when 'month' then datediff ('month', date_from, date_to) when 'day' then datediff ('day', date_from, date_to) when 'hour' then datediff ('hour', date_from, date_to). Result: '1. This function comes in two flavours: MySQL 2 argument version. array_aggThat syntax looks correct and in line with the documentation for DATEDIFF. Timestamp Datatypes in Snowflake. I have a table that contains all checkin dates for all users for a business. how can this be achieved? Like select VAR_DATE = DTAE1 from (select date1 from table1 where date1 = 'xxx') Please note that my result set returns only one row. The function supports units of years, quarters, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, and nanoseconds. Das Minuszeichen ( -) kann auch zum Subtrahieren von Datumsangaben verwendet werden. WHERE (CREATED_AT::DATE BETWEEN (CURRENT_DATE::DATE - INTERVAL '1 WEEK') AND CURRENT_DATE::DATE). Trying to get the "native"/NTZ time from a timestampntz field. month ). 1 Answer. ) @satitiru ,. More precisely, a window function is passed 0 or more expressions. The function returns the result of subtracting. 1 to be 0. later_date, p. When date_or_time_part is dayofweek or yearofweek (or any of their variations), the output is controlled by the. sql. datediff. Simple right? The only thing is that difference in years is duplicated here. "TargetTable" (AddressTypeID ,1 Answer. SELECT DATEDIFF(month, DATEFIELD1 + '01', DATEFIELD2 + '01') AS DIFF_MONTHS. Supported date and. An equivalent statement that replaces AGE_IN_YEARS (DateOfBirth) in Snowflake can be: case when dateadd (year, datediff (years, DateOfBirth, CURRENT_DATE), DateOfBirth) > CURRENT_DATE then datediff (years, DateOfBirth, CURRENT_DATE) -1 else datediff (years, DateOfBirth, CURRENT_DATE) end as AGE. Grants_To_Roles; 4: Roles Assigned to Users: Select * from Snowflake. The second step involves getting a difference in seconds between the two dates and converting that difference into hours by dividing by 3600. SELECT (DATEDIFF (dd, LossDate, ClaimDate) + 1) - (DATEDIFF (wk, LossDate, ClaimDate) * 2) - (CASE WHEN DATENAME (dw, LossDate) = 'Sunday' THEN 1 ELSE 0 END) - (CASE WHEN DATENAME (dw, ClaimDate) = 'Saturday' THEN 1 ELSE 0 END). 要求された日付または時刻の部分に基づいて、2つの日付、時刻、またはタイムスタンプ式の差を計算します。この関数は、3番目の引数から2番目の引数を減算した結果を返します。 マイナス記号（-）を使用して日付を減算することもできます。 TIMESTAMPDIFF. Connect and share knowledge within a single location that is structured and easy to search. start end), -- calculate the min of the two end. approx_percentile_combine. I managed to do it: use schema objectname. Ask Mike anything about becoming a Data Superhero, building ML models, his journey as a global nomad, and more!snowflake. Goal - create a date table, and show what day. Snowflake does: unit_answer = TRUNC( unit, to_date ) - TRUNC( unit, from_date);. I'm trying to convert the below MSSQL query expression into Snowflake, can any please help me get the equivalent snowflake query. DATEDIFF (date_part, date1, date2) Where, date_part parameter is the part of the date like day, month, and year, which you want to use in your computation. In this article: Syntax. 5: Users who have not logged in with 90 days of account creation. Recent Snowflake feature improvements mean that it’s becoming easier to generate monitoring and administrative email notifications from within the platform. For DATEDIFF: date_or_time_expr1 and date_or_time_expr2 can be a date, time, or timestamp. I 引数¶ date_or_time_part. Compared to true difference in values, and then that being expressed in a time unit. Snowflake - given a start and end date column, break out each month and count number of days for the month into separate rows. The difference between TZ and LTZ comes from the offset set in the database, meaning that even if the displayed offset is +0019 (19 minutes), the difference is <60 seconds. SECOND. TIME_SLICE calculates the beginning or end. microsecond uses the hour, minute, second, and first six digits of the fractional seconds. approx_percentile_combine. This is an expression that evaluates to a numeric data type (INTEGER, FLOAT, DECIMAL, etc. Cause. Write resolution instructions: Use bullets, numbers and additional headings Add Screenshots to explain the resolution Add diagrams to explain complicated technical details, keep the diagrams in lucidchart or in google slide (keep it shared with entire Snowflake), and add the link of the source material in the Internal comment section Go. You can also use these to calculate age. There are 3 different timestamp types in Snowflake: TIMESTAMP_NTZ. approx_percentile_estimate. 0. g. date_to) * 2) - CASE WHEN DATEPART(DW, evnt. Improve this answer. 00. snowflake. event_id, evnt. : you're comparing dates with timestamps, and not whole days), you can. Snowflake does: unit_answer = TRUNC( unit, to_date ) - TRUNC( unit, from_date); compared to: In order to get the integer part of Impala's MONTHS_BETWEEN using Snowflake functions we apply the following logic : IFF(DAY(DATE1) >= DAY(DATE2), DATEDIFF('month', DATE2, DATE1), DATEDIFF('month', DATE2, DATE1) - 1) In order to get the fractional part of Impala's MONTHS_BETWEEN using Snowflake functions we apply the following logic : What is the best reusable way to calculate the total number of seconds that occurred on business days between two datetime values (ignoring weekends and federal holidays)? To calculate the difference between two timestamps, convert them to unix timestamps then subtract: Master date and time queries in Snowflake with our comprehensive guide. snowflake. Calculates the difference between two date, time, or timestamp expressions based on the specified date or time part. These functions are alternatives to using the DATE_PART (or EXTRACT) function with the equivalent date part (see. functions. 1. For full months, you can use day 1. Arguments¶ percentile. – Simeon Pilgrim. functions. working_day_start_timestamp then w. functions. snowflake. The function supports units of years, quarters, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, and nanoseconds. Run data-diff with connection URIs. datediff(part: str, col1: Union[Column, str], col2: Union[Column, str]) → Column[source] Calculates the difference between two date, time, or timestamp columns based on the date or time part requested, and returns result of col2 - col1 based on the requested date or time part. The setting of the TIMEZONE session parameter affects the return value. : create temp table dummy_1 (days int) as select datediff ('day', '2018-07-20', '2018-07-27'); 2. Snowflake Summit is coming home to San Francisco. datediff(part: str, col1: Union[Column, str], col2: Union[Column, str]) → Column[source] Calculates the difference between two date, time, or timestamp columns based on the date or time part requested. which yields an output of: float_serial_number. snowpark. Due to Snowflake’s unique architecture and cloud independence,I have create a function in Snowflake with two 'date'arguments: CREATE OR REPLACE FUNCTION "fn_CreateHourLabels"(start_date date,end_date date) RETURNS TABLE. datediff. Join our community of data professionals to learn, connect, share and innovate togetherFrom Snowflake. If you need the difference in seconds (i. Note that setting a negative offset has the same effect as using the LEAD function. If you have extra questions about this answer, please click " Comment ". mysql - Disable ONLY_FULL_GROUP_BY - Stack Overflow. In general, it is always better to post code, not just an image. Knowledge Base. The setting of the TIMESTAMP_TYPE_MAPPING parameter does not affect the return value. Then you try to use this number with the DATEADD function, and it expects to have a date instead. Compared to true difference in values, and then that being expressed in a time unit. SELECT DATEADD(WEEK, DATEDIFF(WEEK,0,GETDATE()),-3) But based on my reading and some SQL Fiddle, it seems to output the start of "this week" minus 3 days. Sorted by: 0. A more general form of the question is Snowflake takes the simpler approach, and answer all units of date_diff in the difference of the values at the unit compared. Arguments¶ source_expr. Spark & PySpark SQL provides datediff() function to get the difference between two dates. functions. * from (select t. This is the number of months you want to add. months 1-12, days 1-31), but it also handles values from outside these ranges. Currently I am only returning 1. was asking for, but useful for those looking to generate a list of dates in Snowflake SQL. Subtract two SQL DATE types (represented by java. g. Note that unit values can be different in SQL Server DATEDIFF and MariaDB TIMESTAMPDIFF. This should be an integer. A common business problem is calculating the number of working days or hours between two timestamps. Follow asked Feb 4, 2022 at 0:30. AMA WITH MIKE TAVEIRNE Exciting news! Data Superhero, Mike Taveirne, is in forums from Sept 26-29 to answer your questions. The LAG function is getting the second, third, fourth, fifth, sixth and seventh rows of data based upon the udid. I would use this: DECLARE @BegDate as date. I am looking to understand what the average amount of days between transactions is for each of the customers in my database using Snowflake. For DATEDIFF: date_or_time_expr1 and date_or_time_expr2 can be a date, time, or timestamp. The function supports units of years, quarters, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, and nanoseconds. approx_percentile_combine. You could simply exclude the value in where eg. The documentation can be found here:. Get the field type for each column in a table. Extracts the corresponding date part from a date or timestamp. Is there any inbuilt function that provides the timestamp instead of computing the datediff every time? In both cases above the output timestamp is epoch timestamp corresponding to the CURRENT_DATE (which is the current time in the snowflake account time zone). The Snowflake INTERVAL functions are commonly used to manipulate date and time variables or expressions. You can use these interval literals in conditions and calculations that involve date-time expressions. date_to, DATEDIFF(DD, evnt. Snowflake is cloud agnostic and uses virtual compute instances from each cloud provider (AWS EC2, Azure VM, Google Compute Engine). functions. For example, -0. October 10, 2023. CREATE OR REPLACE FUNCTION fn_get_timestamps_in_range (grain VARCHAR, start_tsmp TIMESTAMP_TZ, end_tsmp TIMESTAMP_TZ) RETURNS. Query the GENERATOR function on the temporary table:Add a comment. Examples¶. SQL; Snowflake; Timestamp +1 more; Like; Answer; Share; 1 answer; 1. For example, We want to get the difference between Jan 10th 2021 and Jan 25th 2021, then. select datediff ( day, Date ('Tue Jan 01 1980 00:00:00 GMT-0800 (Pacific Standard. The syntax is different for every database: Snowflake, Postgres, MySQL, etc. My working query is: COPY INTO "TargetSchema". To comply with ANSI standards, this function can be called without parentheses. So, for example, if today is Monday 2021-06-28, I only want the results from Monday 2021-06-21 to Sunday 2021-06-27. INFORMATION_SCHEMA. Concatenation operator: While we were running & repointing our loads into Snowflake we discovered a important difference in how Oracle vs Snowflake concatenation works. Sorted by: 0. content_copy. DATEDIFF(start_date, end_date, MINUTE) This leads to the following: We couldn't fold the expression to the data source. Note, that since DATEDIFF returns an integer value, the result also will be an integer. 000. datediff (part: str, col1: ColumnOrName, col2: ColumnOrName) → Column [source] ¶ Calculates the difference between two date, time, or timestamp columns based on the date or time part requested. Expression to be converted into a time: For string_expr, the result of converting the string to a time. 471395746-06" is not recognized snowflake. If you are trying to use add_months rather than dateadd than the query should be . timestamp "2022-01-02T12:30:30. TSQL DateDiff to return number of days with 2 decimal places. Deleted my comment to avoid confusing anyone. This makes that answer appear right after the question so it's easier to find within a thread. This case means that if we start at startdate '2036-03-01', and then count -2 days, we reach the enddate of '2036-02-28'. A função retorna o resultado da subtração do segundo argumento do terceiro argumento. Reports_Logs ( ProcessID int NOT NULL IDENTITY primary keySnowflake support responded as follows: As per my investigation and internal research, the behaviour mentioned by you is a known one. 124秒ではなく、1. Like Liked Unlike Reply. This function uses sequences to produce a unique set of increasing integers, but does not necessarily produce a gap-free sequence. Converts an input expression to a date: For a string expression, the result of converting the string to a date. Invalid function type [DATEDIFF] for window function. Thank you for your response. date_or_time_expr (Required) must be a date or timestamp expression. You can only run them separately. Tony Williams Tony Williams. datediff(yy,'31 Dec 2013','1 Jan 2014') returns 1. In SQL Server I can do this using recursive SQL but looks like that functionality is not available in Snowflake. , datediff (minute, p. Data Superheroes. For DATEDIFF: date_or_time_expr1 and date_or_time_expr2 can be a date, time, or timestamp. Hi @JustineMit - if an answer helps you, please upvote and/or accept it. . Hi @SQL Baby , Last Day of previous month：. 848 -0400 (now it's twelve o'clock). TIMESTAMP_TZ. DATEDIFF¶ Calcula a diferença entre duas expressões de data, hora ou carimbo de data/hora com base na parte de data ou hora solicitada. GENERATOR. There are several ways to approach this, but here's the way I do it with SQL Generator function Datespine_Groups. array_aggJoin our community of data professionals to learn, connect, share and innovate together. A window function is any function that operates over a window of rows. I want to find the time difference between two timestamps for each id . If you want the difference, then use datediff () or timestampdiff (). 有効な文字列を日付、時刻、またはタイムスタンプへの変換¶. Dec 15, 2022 at 22:20. . ). Improve this answer. string_expr or timestamp_expr or variant_expr or integer. snowpark. functions. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Expression to be converted into a time: For string_expr, the result of converting the string to a time. Account_Usage. DATEDIFF (DAY/WEEK, START_DATE, END_DATE) will calculate difference, but the last date will be considered as END_DATE -1. MSSQL on the other hand does an implicit cast of '0' to DATE '1900-01-01' and returns the result in the requested date part. Make sure that the data type of each column is consistent across the rows from different sources. If you want the "exact" (as far as floating point gets) average, use. I usually us datediff(dd, l. date_or_time_part 은. How to get difference betwen these below two dates in snowflake. snowpark. When using datediff to calculate a year, it only looks at the year. This looks like the syntax for SQL Server, not Snowflake. DATEDIFF(MONTH, 0, @date), 0) AS First_Day_of_Month SELECT @date - DAY(@date) + 1 AS FIRST_DAY_OF_DATE -- In SQL Server 2012 and above SELECT DATEADD(DAY, 1, EOMONTH(@date, -1)). NAME FROM CUSTOMER C LEFT JOIN. Snowflake Date Functions. The condition is an expression that should evaluate to a BOOLEAN value (True, False, or NULL). As Lukasz points out the second parameter is the start_month SAP doc's. Alternative for DATEDIFF. 1. Solutions Engineer. Expand Post. With this you can calculate the. Presumably, by business day, you mean Mon-Fri. Calculates the difference between two date, time, or timestamp expressions based on the specified date or time part. I will use floating point maths to make my point. Calcula a diferença entre duas expressões de data, hora ou carimbo de data/hora com base na parte de data ou hora solicitada. functions. 小数秒は丸められません。. For example, If substring ‘cc’ can be replaced by ‘bb’ in the given input string ‘abbab’, then the resultant output will be ‘accab’. As you have pointed out, and it is refenced in the linked below, DATEDIFF does not guarantee that the full number of the specified time units passed between 2 datetime values. date_to) - (DATEDIFF(WK, evnt. When date_or_time_part is week (or any of its variations), the output is controlled by the WEEK_START session parameter. It can be one of the following formats: Year:. Converting Valid Character Strings to Dates, Times, or Timestamps. Try this: DURATION = DATEDIFF ( SELECTEDVALUE (sai_duedate. Viewed 11k times. YEAR* / DAY* / WEEK* / MONTH / QUARTER¶. Many applications use date functions to manipulate the date and time data types. From the inputs you got there are 123 months between the date of 07/03/2011 to 24/3/2021. This allows, for example, choosing the N-th day in a year, which can be. The number of rows backward from the current row from which to obtain a value. functions. Unfortunately, the naive approach with the DATEDIFF() function doesn't quite cut it here - using DATEDIFF('year', birthday, current_date) nets the difference between the current year and the birthday year, which could be a very inaccurate representation of the. The function will always. 9. DATEDIFF(expr1,expr2) Use: SELECT DATEDIFF(___Bookings. The same concept works for many different time calculations. (Though calendar tables tend not to use a lot of storage. functions. 0. A general expression. Oracle Database using Sql developer. When operating on a large quantity of data, gaps can appear in a sequence. runs in 202msCollation Details¶. Upon running the query you can. SELECT datediff (MINUTE,cast ( [EndTime] as datetime),cast ( [StartTime] as datetime)) FROM YourTable WHERE TRY_CONVERT (DATETIME, [EndTime]) IS NOT NULL AND TRY_CONVERT (DATETIME, [StartTime]) IS NOT NULL. Given the basic example,. T. SQL: How to select date data from two columns and order it using both columns. Why DATEDIFF() function in Snowflake works differently while getting date difference in weeks. The DateDiff function returns how many seconds, months, years - whatever interval you specify between the first date (here 0) and the second date (here the current date). List months between two dates in snowflake table. SELECT DATEDIFF (DAY, xx, yy) AS Avg_DayDiff FROM Database1. approx_percentile_estimate. snowpark. Unfortunately, the naive approach with the DATEDIFF() function doesn't quite cut it here - using DATEDIFF('year', birthday, current_date) nets the difference between the current year and the birthday year, which could be a very inaccurate representation of the. Postgres doesn’t have DATEDIFF(). The DATEDIFF is then comparing the first 'recday' to the other lines and returning the number of days between these two dates. datediff(part: str, col1: Union[Column, str], col2: Union[Column, str]) → Column[source] Calculates the difference between two date, time,. 'Datetime' is filetype DateTime in snowflake, but in SQL, it's just a date MM-DD-YYYY, so there is the 6:00 added to turn it into a datetime. Modified 6 years, 9 months ago. date)-1 as diff,Learn date and time functions in SQLIf this is a measure, you need to give it some type of context. Answer. DATEDIFF(wk, 7, CAST(LEFT(NWeek,4) AS NVARCHAR(100))) + (RIGHT(NWeek,2)-1), 7)) as IDate . Pramit Marattha. For seconds: DATEDIFF (second, LAG (ACTION_DATE) OVER (PARTITION BY users ORDER BY ACTION_DATE), ACTION_DATE ) AS DIFF_SECONDS. 29K views; Top. To calculate the difference between two timestamps, convert them to unix timestamps then subtract: Master date and time queries in Snowflake with our comprehensive guide. Assuming that end_datetime and start_datetime are a datetime or timestamp field, you can just use the datediff() function:. you ca also use LAG analytical function to get the desired results as : Suppose below is your input table: id account_number account_date 1 1001 9/10/2011 2 2001 9/1/2011 3 2001 9/3/2011 4 1001 9/12/2011 5 3001 9/18/2011 6 1001 9/20/2011 select id,account_number,account_date, datediff(day,lag(account_date,1) over (partition by. 1. DATEDIFF ( date_or_time_part, date_or_time_expr1, date_or_time_expr2) Calculates the difference between two date, time, or timestamp expressions based on the date or time part. Minute of the specified hour. > Snowflake Forums. 1. The later point it seems cannot be done with.