Timestamp diff snowflake. So try converting one of them to other timezone using "CONVERT_TIMEZONE" and thn apply the DATEDIFF function. Timestamp diff snowflake

 
 So try converting one of them to other timezone using "CONVERT_TIMEZONE" and thn apply the DATEDIFF functionTimestamp diff snowflake 347694000 PM

BOOLEAN. 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 in depth if required Add links and other resources as. Improve this answer. Snowflake datatype is timestamp_ntz(0) In the ETL gave date pattern as "yyyy-MM-dd HH:mm:ss" for both source and target . 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. 0. Snowflake Time Travel is a powerful feature that enables users to examine data usage and manipulations over a specific time. 000’) into However the same query with the same data set didn't get the exact result in snowflake; namely I got results with start_time of starting with something like `2019-05-09 07:00:05. 0. For timestamp_expr, the time portion of the input value. For example, for integers, the range is from -9007199254740991 to +9007199254740991 (-2 53 + 1 to +2 53 - 1). e. but in my case, while passing string paramter( which is date actually), user has 3 different formats (YYYY-MM-DD, YYYYMMDD, MM/DDYYYY) MS SQL can convert all the three formats into date correctly, but failes to do that. A number of seconds (if scale = 0 or is absent) or fractions of a second (e. g. Usage Notes¶. SSS'Z'. In a query, it is specified in the FROM clause immediately after the table name and it determines the point in the past from which historical data is requested for the object: The AT keyword specifies that the request is inclusive of any changes made by a statement or transaction with. ; Find rows created between one and two weeks ago:Based on our unique solution, Snowflake users are able to clone their tables, schema or databases without creating additional copies. microsecond usa a hora, minuto, segundo e os primeiros seis dígitos dos segundos. It does this for every unit, second, hour, day, month. Understand the syntax and limits with examples. 18. The output format for timestamp_ltz values is set using the TIMESTAMP_LTZ_OUTPUT_FORMAT parameter. DATEDIFF supports years, quarters, months, weeks, days, hours, minutes, and seconds. TIMESTAMP_TRUNC. In Snowflake, you will need to run the TIMEDIFF /TIMESTAMPDIFF command with date part of "SECOND" so you do not lose any precision. I hope it will help. Take the number and divide by 60 to get minutes, divide by 60 again to get hours. (with that said, I wouldn't recommend this type of int representation for a date) Share. For example, the chart below shows the daily temperature in London as points, and a 30 day moving average as a line. 0. milli second and nano second precision applicability while loading data. Sunday's Snowflakes, Victoria, British Columbia. If this value is then converted to TIMESTAMP_NTZ in Snowflake, the user sees 18:00:00, which is different from the original value, 12:00:00. docs. Which means that there are two common approaches. More generally, swapping the inputs reverses the sign: MONTHS_BETWEEN(d1, d2) = -MONTHS_BETWEEN(d2, d1). 2020-01-01 13:04:11-5:00) TIME : a time as seen on a watch (e. Sriganesh Palani (TechMahindra Limited) 4 years ago. 08/12/2018 12:20 PM, Now I need to cast this as datetime . I am trying to find where two values have overlapping dates, display those overlapping dates, and. If more than one row is evaluated (for example, if the input is the column name of a table that contains more than one row), each value is examined independently to. Three quotes from the manual: 1. The following example uses the date format M/D/YYYY. You can cast to a varchar and give, as the second parameter, the format that you want: SELECT TO_VARCHAR ('2021-07-19 02:45:31. Pivot Tables. 999) from pqrquet file to snowflake. Spark & PySpark SQL provides datediff() function to get the difference between two dates. Otherwise, the current session time zone is used. One expression may be a date and the other a datetime; a date value is treated as a datetime having the time part '00:00:00' where necessary. Date difference is 23, if you are counting number of different days. TIMESTAMPDIFF¶ Calculates the difference between two date, time, or timestamp expressions based on the specified date or time part. ; I have a Snowflake procedure, which expects a TIMESTAMP_TZ argument. Alternative for DATEDIFF. This was very helpful. 2. SELECT ( (extract (epoch from ( '2012-01-01 18:25:00'::timestamp - '2012-01-01 18:25:02'::timestamp ) ) ) )::integer. Querying, cloning, and restoring historical data in tables, schemas, and databases for up to 90 days through Snowflake Time Travel. Snowflake data warehousing is designed to work with Snowflake-specific SQL syntax. Temporary tables only exist within the session in which they were created and persist only for the remainder of the session. Timestamp is a method for row versioning. 000. SELECT TIMESTAMP (:PRSTSZ) FROM PROJECT; Example: TIMESTAMP with a timestamp and an integer as arguments. Choose an appropriate date or. :. For example, if you want to add 2 days to August 1, 2018, then this will be '2018-08-01'::DATE. For seconds: DATEDIFF (second, LAG (ACTION_DATE) OVER (PARTITION BY users ORDER BY ACTION_DATE), ACTION_DATE ) AS DIFF_SECONDS. 入力が VARCHAR の場合、 UTF-8文字の数。. CURRENT_TIMESTAMP returns the current date and time in the session time zone, in a value of datatype TIMESTAMP WITH TIME ZONE. id , sum (datediff (‘second’, -- calculate the max of the two start time (case when t. 13. 1 to be 0. 이 함수는 연도, 분기, 월, 주, 일, 시간, 분, 초, 밀리초, 마이크로초, 나노초 단위를 지원합니다. The TIMESTAMP () function returns a datetime value based on a date or datetime value. Sunday's Snowflakes - Home. . DATE_TRUNC. TIME_OUTPUT_FORMAT. Here, Snowflake offers two functions — for whatever reason, just choose one. HOUR / MINUTE / SECOND¶. Extracts the three-letter day-of-week name from the specified date or timestamp. i have a column that's timestamp that looks like this 2021-11-25 14:48:39. tz, ntz, tz = ntz AS wrong, convert_timezone('UTC', tz) = ntz AS still_wrong. This issue can arise when working with TIMESTAMP_TZ and TIMESTAMP_LTZ field types, or when returning current_timestamp from the database, while the end-user's machine is set to a different time zone than that. TIME は、 TIME(3)などの小数秒のオプションの精度パラメーターをサポートします。時間精度の範囲は、0(秒)から9(ナノ秒)までです。Usage Notes¶. Alias for DATEDIFF. 0. Operators are represented by special characters or keywords; they do not use function call syntax. When data in a table is modified, deleted or the object containing data is dropped, Snowflake preserves the state of the data before the update. I initially had an issue with loading long timestamps (9999-12-31 23:59:59. Its return value is TIMESTAMP_NTZ, whereas CURRENT_TIMESTAMP returns TIMESTAMP_LTZ. It is easy for machines to parse and generate. I am new to Snowflake SQL and am still coming across these differences from other platforms. TIMESTAMPDIFF. Q1. It involves the extraction of data from various. 5 DAY. If not specified, the default is to use the TIMESTAMP_OUTPUT_FORMAT parameter setting. Confirmed running directly against Snowflake that the values being passed in are invalid for the TIMESTAMPDIFF() function (minute, TIMESTAMP, TIME) to be able to perform the calculation. Moving averages. There are 5 more ways to get the minute from the timestamp column in Snowflake using the date_part function as follows. I want to be able to compare the date between the first record and any future records for that card id where that future record's legit = 0, and if the first record is within 10 days, show that record. One way to do this is by creating a working hours table. Oct 23, 2022. When storing timestamps, Snowflake stores time zone data in the form of adding the offset at the end of the timestamp. The parameter group bounds changes the way the join happens in a. ; Annoyingly, DAY is largest unit accepted for timestamp_sub() Use datetime_sub(), date_sub(), or time_sub when working with other data types. Here's something slightly different from what the o. (with that said, I wouldn't recommend this type of int representation for a date) Share. working_day_start_timestamp then w. DATEUnlike Teradata snowflake doesn't support subtraction between two timestamp. to_timestamp. This function is similar to CURRENT_TIMESTAMP, except that: It returns the current timestamp in the UTC time zone, whereas CURRENT_TIMESTAMP returns the timestamp in the local timezone. so according to snowflake this is expected behavior - however does not work for my situations . Values in current database. For better pruning and less storage consumption, Snowflake recommends flattening your object and key data into separate relational columns if your semi-structured data includes: Dates and timestamps, especially non-ISO 8601 dates and timestamps, as string values. Creating a temporary table in Snowflake. Linear Regression. Ask Question Asked 3 years, 5 months ago. Our cloud services layer, with the metadata repository, records the information regarding the files being stored, the. Previewing the data works fine, but it seems all of the additional "magic" it's doing isn't well formed. There are 3 different timestamp types in Snowflake: TIMESTAMP_NTZ. Create a table that contains different types of data stored inside a VARIANT column, then use TYPEOF to determine the data types of each piece of data. 0. The first timestamp_expression represents the later date; if the first timestamp_expression is earlier than the second timestamp_expression , the output is negative. Hive Date and Timestamp functions are used to manipulate Date and Time on HiveQL queries over Hive CLI, Beeline, and many more applications Hive supports. 1. Viewed 3k times 0 Self-taught SQL user here. This information could be accurate to the microseconds. To comply with ANSI standards, this function can be called without parentheses. Is there a way to change our Snowflake Account to point to different Timezone (preferably ) UTC ? select CURRENT_TIMESTAMP(), convert_timezone( 'US/Eastern',CURRENT_TIMESTAMP()) We would like to get UTC datetime for. Snowflake loads the string in America/Chicago time. Featuring the best from Canadian and European designers. date_part (Optional) is the date part for which the last day is returned. Snowflake server, split duration by hour? 4. Note that setting a negative offset has the same effect as using the LEAD function. Floating-point values can range from approximately 10 -308 to 10 +308. In T-SQL, delete rows from table can be done by "delete table_name" but in Snowflake, you need to add the word "FROM" before table_name. It does not allow the user to add a second parameter for the expected format. The Snowpark library provides an intuitive API for querying and processing data in a data pipeline. For example, if you want to add 2 days to August 1, 2018, then this will be '2018-08-01'::DATE. For example, an offset of 2 returns the expr value with an interval of 2 rows. 0. If it has trouble, you can also give it a hint by providing input formatting preferences. Featured on Meta Incident update and uptime reporting. how to convert data type Timestamp_TZ (9) to Timestamp_NTZ (9) on existing table. 1 What is the Syntax of To_DATE Function in Snowflake?i am looking to change in snowflake the values of a date field which has for example this format: 2/10/17, 11/1/17, 12/18/19 to this format: 20010408, 20121226, 20010304. elapse)/60 as diff from( SELECT c1. Viewed 8k times 6 I have a date column and a time. There are several ways to approach this, but here's the way I do it with SQL Generator function Datespine_Groups. How to get difference betwen these below two dates in snowflake. Provide Pre-aggregation for high frequency queries and sub-queries. TO_TIME , TIME. Whereas DATEDIFF by default returns difference of dates in INT format. Oct 22, 2022. AMA WITH MIKE TAVEIRNE Exciting news! Data Superhero, Mike Taveirne, is in forums from Sept 26-29 to answer your questions. 2 days, but Snowflake will produce 1 because 2 is 1 more than 1. slice_length. これらの関数(および日付部分)はセッションパラメーターを無視します. Orchestrate the pipelines with. The Overflow Blog The AI assistant trained on your company’s data. Hi, I'm new to Snowflake. The DATE_DIFF divides the days with 29 for February for a leap year and 28 if it is not a leap year. Format TIMESTAMP values. 8. AMA WITH MIKE TAVEIRNE Exciting news! Data Superhero, Mike Taveirne, is in forums from Sept 26-29 to answer your questions. If a String, it should be in a format that can be cast to date, such as yyyy-MM. answered May 18, 2022 at 16:03. Note that unit values can be different in SQL Server DATEDIFF and MariaDB TIMESTAMPDIFF. Categories: Date/Time. start <= w. SUBSTR ('abc', 1, 1) は、「b」ではなく「a」を返. If you want to mimic hive logic in snowflake, you should use below code -. g. (More extreme values between approximately 10 -324. g. Snowflake support responded as follows: As per my investigation and internal research, the behaviour mentioned by you is a known one. C. timestampdiff¶. However, unlike time travel, it should not be considered as a part of your organization’s backup. @Sriganesh Palani (TechMahindra Limited) - You're trying to set the default value of the column to a string. time_zone;部分文字列が始まるオフセットを指定します。. Time Travel snowflake: The Ultimate Guide to Understand, Use & Get Started 101. Snowflake SQL Query - Invalid Argument Function Using DATEADD() Hot Network QuestionsTIMESTAMPDIFF () supports the analysis of historical data by providing precise measurements of time intervals. TIMESTAMPDIFF. Once the session ends, data stored. In Snowflake, you will need to run the TIMEDIFF /TIMESTAMPDIFF command with date part of "SECOND" so you do not lose any precision. @nehan it looks like you were able to solve your issue, that is so great! It would mean a lot if you can select the "Best answer" yourself to help others find the right answer faster. 2. For the 2-argument version: The source_timestamp argument is considered to include the time zone. Timestamp Datatypes in Snowflake. In the following example, the TIMESTAMP_TYPE_MAPPING parameter is set to TIMESTAMP_LTZ (local time zone). Although DATEDIFF is specific to SQL Server, similar functions are available in other database systems:. (Note I changed the seconds to 31 as there isn't 91 seconds in a minute and also changed your double dash between month and day to a single. If the data type is TIME, then the date_or_time_part must be in units of hours or smaller, not days or bigger. Snowflake uses the host server time as the basis for generating the output of current_timestamp(). I tried with the following command, but it does not work. Snowflake supports INTERVAL arithmetic: You can use interval constants to add or subtract a period of time to/from a date, time, or timestamp. Timestamp Datatypes in Snowflake. The maximum length of an OBJECT is 16 MB. In summary, this blog covers four parts: The definition of the Date type and the associated calendar. g. Converts an input expression to a date: For a string expression, the result of converting the string to a date. 805' as time_string, to_timestamp (time_string) as a_timestamp,. Por exemplo, DATEDIFF (milliseconds, '00:00:00', '00:00:01. What is a snowflake? A Snowflake is a unique ID for a resource which contains a timestamp. TIMESTAMP_DIFF Description Returns the number of whole specified date_part intervals between two timestamps. When comparing timestamps in our databases to CURRENT_TIMESTAMP Snowflake returns weird results. Equivalent Redshift query. In the following example, the TIMESTAMP_TYPE_MAPPING parameter is set to TIMESTAMP_LTZ (local time zone). Provide details and share your research! But avoid. create temp table date_dummy_1 (days int) as select datediff ('day', '2020-01-01', current_date); The above statement will create a temp table called date_dummy_1 with the dat diff of 2020-01-01 to. If date_or_time_part is week (or any of its variations), the output is controlled by the session parameter. 3 rows have at least one null. Accept. 13. The default Time Travel retention period is 1 day (24 hours). '[Columns names]' in T-SQL needs to be replaced by "column name" in Snowflake. Try below query if LAG () doesnt work on your DB because of configuration issues. Part 1 of this two-part post demonstrated how to build a Type 2 Slowly Changing Dimension (SCD) using Snowflake’s Stream functionality to set up a stream and insert data. Wanted to see if anyone has noticed any unexpected timezone/conversion behavior after this change. Learn the syntax of the to_timestamp function of the SQL language in Databricks SQL and Databricks Runtime. If date (or timestamp) d1 represents an earlier point in time than d2, then MONTHS_BETWEEN(d1, d2) returns a negative value; otherwise it returns a positive value. Want to elevate your date analytics in Snowflake?After doing research work on snowflake datediff function, I have found the following conclusions. Values can be negative, for example, -12 days. (timestamp) function. Create a temp table that contains the start and end dates of the date range so that you can calculate a date diff from the start and end dates. OWASP Dependency Check: Reported. What's the correct way to define ISO datetime's data type in Snowflake? I tried date, timestamp and TIMESTAMP_NTZ like this in my dbt sql script: JSON_DATA:",my_date"::TIMESTAMP_NTZ AS MY_DATE but clearly, these aren't the correct one because later on when I test it in snowflake with select * , I get this error:A common SQL query WHERE clause is to just pull the data for the last n seconds. Creating a temporary table works in much the same way as a regular table. In this case, we can make use of TIMESTAMP_DIFF and CURRENT_TIMESTAMP: SELECT date, TIMESTAMP_DIFF (CURRENT_TIMESTAMP(), date, SECOND) AS seconds_since FROM ( SELECT TIMESTAMP_SUB (CURRENT_TIMESTAMP(), INTERVAL 30 SECOND) AS date UNION ALL ( SELECT TIMESTAMP_SUB. g. An expression that returns a value of built-in CHAR or VARCHAR data type. Changing from LA to Chicago is not adding 2 hours to the physical value being stored - so the time difference between 2 identical times will always be 0 regardless of the timezones you choose to display them in. e. Snowflake has EDITDISTANCE and SOUNDEX functions: select editdistance ('Duningham', 'Cunningham'); -- Result 2 select soundex ('McArthur') = soundex ('MacArthur'); -- Result TRUE. You may want to try PostgreSQL and see if it meets your needs first. Converting the timestamp in Snowflake. VARCHAR (or any of its synonyms) NUMBER (or any of its synonyms) DOUBLE. 471395746-06" is not recognized snowflake. g. g. How to get n days/months/year date from or before today's date in snowflake? Ask Question Asked 2 years, 5 months ago. FF3 TZHTZM. TO_DATE , DATE. This makes that answer appear right after the question so it's easier to find within a thread. 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. So it doesn't give the actual current Unix timestamp which has no timezone info associated with itFor example, get the current date, subtract date values, etc. The TRY_TO_DATE function only takes one parameter, being the checked date itself. Create a set of data such that: 1 row has all nulls. See the Notes section for unsupported features. 非推奨の警告: Snowflakeの将来のバージョンでは、文字列化された整数値をミリ秒、マイクロ秒、ナノ秒ではなく、秒として自動的に解釈する可能性があります。. There are three formulas that reorgchk calculates – F1, F2, and F3. JDBC Driver and Third-Party Library Updates. Interval constants are implemented using the INTERVAL keyword, which has the following syntax: Some time you expect the diff in "days" between 1. GEOGRAPHY. ETL data, session-specific data). However, taking your example literally, Snowflake would output minus 3 weeks from the start of "this week" DATEADD(WEEK, -3, DATE_TRUNC(WEEK,GETDATE())) Share. If not specified, the default is to use the TIMESTAMP_OUTPUT_FORMAT parameter setting. 1. Here's an example: SELECT TO_TIMESTAMP ( 1618302181) AS utc_timestamp; In this example, the epoch value 1618302181 is converted to the UTC timestamp 2021-04-13 13:49:41. 290448384’ and stores the wrong. MySQL provides a set of functio引数¶ date_or_time_part. GEOMETRY. Thanks for your constructive feedback! –This is the number of units of time that you want to add. Hello, Today we have data stored as string in a field that is meant for time. In SQL Server, you can convert this to a floating point date serial number (days since 1900-01-01): select convert (float, my_timestamp_field) as float_serial_number. Expand Post. If the input data type is DATE, and the date_or_time_part is hours or. DATEDIFF(WEEK, START_DATE, END_DATE) will count number of Sundays between two dates. SELECT TO_VARCHAR (CURRENT_TIMESTAMP (), 'YYYY-MM-DD HH24:MI:SS'); Converting a String to a Date and Changing its Format. DATE: You can use the date type to store year, month, day. Snowflake unable to convert an unexpected date format to the international standard. Asking for help, clarification, or responding to other answers. Usage Notes¶. The Snowflake Date format includes four data types, and are used to store the date, time with timestamp details:. The unloader follows this pattern when writing values to Parquet files. The setting of the TIMEZONE session parameter affects the return value. Syntax: DATEPARSE(date_format, date_string) Output: Date: Definition: The <date_format> argument describes how the <date_string> field is arranged. how many units of time are contained in the slice). casting the string to a date is more correct, but the SQL parser will auto do this, but that works also: Select * from table_of_data where '2022-03-31'::date between FROM_DATE and TO_DATE; Share. convert_timezone doesn't change the underlying value e. Data Types. DATEDIFF の場合: date_or_time_part. SYSDATE returns the system date, of the system on which the database resides. Window Functions. HOUR / MINUTE / SECOND¶. For both DATEDIFF and minus sign: Output values can be negative, for example, -12 days. Alternative for DATE_PART. 000. To get the minute (0-59) in Snowflake using the date_part function, you can use the following code expression: Assume current date time is 15 December 2021 2 AM. That offset code tells us the time zone of timestamps. To summarize, Snowflake recommends strictly following at least one of these rules: Use the same time zone, ideally UTC, for both Spark and Snowflake. It doesn’t correctly convert the big timestamp values (in the far future such as ‘2286-08-27 00:00:00. Take a look at the code below - notice the 1 millisecond difference in. dates from the DATEDIFF() 1. Provide Project/Restrict on high use columns/rows. Snowflake recommends that you call TO_DATE, TO_TIME, or TO_TIMESTAMP with strings that contain integers only when those integers are intended to be interpreted as seconds. The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z). not quite. The default setting for this parameter is YYYY-MM-DD HH24:MI:SS. . TIME¶. If that doesn't work, you may want to try. JSON (JavaScript Object Notation) is a lightweight data-interchange format. 開始位置は0ベースではなく、1ベースです。. json_data:date_payment" into human readable format Ex. If the value is not a CHAR or VARCHAR data type, it is implicitly cast to VARCHAR before evaluating the function. TO_DATE function Examples. To empower your business decisions with data, you need Real-Time High-Quality data from all of your data sources in a central repository. <target_tz> represents a string that specifies the desired timezone to which the input timestamp should be converted. Snowflake uses double-precision (64 bit) IEEE 754 floating-point numbers. 1. Ask Mike anything about becoming a Data Superhero, building ML models, his journey as a global nomad, and more!First , create a column to return the next timestamp and then create a column to calculate the diff . unsubscribe here or customize. To_date () function converts the string, integer, variant or timestamp into the date filed. Alternative for DATE_TRUNC. This content is a preview of a link. It was added to the BCL for that purpose. Nothing more than the Discord Snowflake (also called the Discord ID) is needed to check this. I want to ask you for some help. it would seem you. Sunday's Snowflakes - Alembika. You need to cast it to a timestamp since Snowflake doesn't appear to do this implicitly: create or replace table ts_test (ts timestamp not null default '1111-11-11T11:11:11:1111':: timestamp);In snowflake, I run these two lines to get my data in required format. The reason I like to do it this way, is because its flexible enough that I can add weekly, hourly, or monthly intervals between the dates and reuse the code. Conclusion. For example, you want to calculate the number of months from September 13 to February 19. TIMESTAMPDIFF numeric-expression, string-expression. start, c1. Add this example script to your app and run it. An expression that returns a value that is a built-in. Thank youmillisecond usa a hora, minuto, segundo e os três primeiros dígitos dos segundos fracionários. Paste in a Discord snowflake to get the timestamp. For source_tz and target_tz, you can specify a time zone name or a. g. Only works for string expressions. The time_slice function will always round down. Otherwise, the current session time zone is used. If the value is of type TIMESTAMP_TZ, the time zone is taken from its value. g. SELECT. Modified 3 years, 5 months ago. Applies to: Databricks SQL Databricks Runtime 13. Solution. TIME_SLICE. date_or_time_part must be one of the values listed in . cast (CREATED_DT AS Date) it will returns you only date. PRO TIP: Snowflake does have an additional layer of data protection called fail-safe, which is only accessible by Snowflake to restore customer data past the time travel window. working_day_start_timestamp then w. 315000000` for the 2nd query (DESC) where it's off by 1 day. For example in current database the record is: 10-AUG-10 05. snowflake-cloud-data-platform; snowsql; or ask your own question. 9857574 AM. The default is month. You can cast to a varchar and give, as the second parameter, the format that you want: SELECT TO_VARCHAR ('2021-07-19 02:45:31. Bump snowflake-jdbc from 3. Alias for DATEDIFF. In MariaDB, you can use TIMESTAMPDIFF function. Represents values comprising values of fields year, month, day, hour, minute, and second. Configure the service details, test the connection, and create the new linked service. In case of NULL input it will result in to NULL. DATEDIFF function Usage. TIMESTAMP (5).