Most week-related functions are controlled only by the WEEK_START session parameter. If the data type is TIME, then the date_or_time_part Are you trying to get the first day of the previous month? Calculated using weeks starting on Monday. That's a "mixing wind" in this case which isn't helpful. Based on feedback weve received, the most common scenario is to set the parameter to 1. ns , nsec , nanosec , nsecond , nanoseconds , The following two tables list the parts (case-insensitive) that can be used with these functions. What I have attempted is: WHERE S1.TIMESTAMP=LAST_DAY (S1.TIMESTAMP,'MONTH') Produced 0 records when I know there are EOMonth records Its fast, free and secure. With WEEK_START set to 1, the DOW for Sunday is 7. In this article, we will check what are commonly used date functions in the Snowflake cloud data warehouse. We are ready with our art supplies for Make Cut-Out Snowflakes Day on December 27, and we want you to join us! of the functions. | 2019-12-01 | I suppose I should use cron statements. Expand Post. first parameter. For this reason, both the YEAROFWEEK and YEAROFWEEKISO functions can provide the year that the week belongs to. The session parameter WEEK_START is set to indicate that the week starts on Sunday. For details about how all the other week-related date functions are handled, see the following sections (in this topic). Extracting the quarter date part from a timestamp returns the quarter number of the year in the timestamp. Truncates the input week to start on the defined first day of the week. For details, see Supported Date and Time Parts. How do I get current date/time on the Windows command line in a suitable format for usage in a file/folder name? For example if you It may be positive or negative. Date Part Extracted from Input Date / Timestamp, Same as YEAROFWEEK, except uses ISO semantics, Same as DAYOFWEEK, except uses ISO semantics. The date functions in Snowflake are same or slightly different compared to other RDBMS. The date functions are most commonly used functions in the data warehouse. Then, the date is changed to the first day of the month by using the DATE_FROM_PARTS function. last_day : The last day is nothing but last day of the month. No one knows Snowflake better. I am new to snowflake and my manager wants me to retrieve the data of the past month when it is 5th of the current month. Setting WEEK_START to 0 (legacy behavior) or 1 (Monday) does not have a significant effect, as illustrated in the following two examples: With WEEK_START set to 0, the DOW for Sunday is 0. (columns 3 through 8): The following example sets both parameters to 0 to follow ISO-like semantics (i.e. DATE_TRUNC() Snowflake Official Documentation Link. but with zeros for the portions (e.g. Our expert services and consulting teams can help you implement Snowflake as efficiently as possible, and integrate your existing analytics systems with our Data Cloud TRY SNOWFLAKE FOR FREE Learn firsthand how Snowflake delivers what's possible with the Data Cloud. Note that in all cases, the returned value is a TIMESTAMP, There is no date function to calculate and return the first day of a month in SQL. How to follow the signal when reading the schematic? Adding a month to February 29 should give us March 29, which is safe. 2. To find the first day, the date time is first converted to date only using TO_DATE function. It can be 1st day of the month at 12 AM. a second all initially set to 0 (e.g. Find centralized, trusted content and collaborate around the technologies you use most. These examples query the same set of date functions, but with different values set for the WEEK_OF_YEAR_POLICY and WEEK_START session parameters to illustrate how they I am not able to find any good conversion code to get 2014-02-17 into 2014-02-01 without having to use concatenation and a ton of formatting. Start for free Commonly used to return the last day of the month for a date or timestamp. . This family of functions can be used to construct, convert, extract, or modify DATE/TIME/TIMESTAMP data. What are the options for storing hierarchical data in a relational database? I'm trying to derive a date field that represents the first business day (in this case, it means the first weekday - also excluding holidays) of the next month. through 7 for Sunday. Compute can be scaled up, down, out, or in and there is no effect on storage used. date_or_time_part must be one of the values listed in Supported Date and Time Parts. There's no cold air coming from the east. The following demonstrates the use of the functions WEEK, WEEKISO, WEEKOFYEAR, YEAROFWEEK, and YEAROFWEEKISO. Convert string containing date to date type. 1 to 53. Is a PhD visitor considered as a visiting scholar? Datameer supports advanced date operations such as : To find the first day, the date time is first converted to date only using TO_DATE function. If a set of incoming timestamps has no time zone specified, then Snowflake loads those strings assuming the timestamps represent local time in the set time zone. Truncate a date (from a timestamp) down to the year, month, and day: Truncate a TIMESTAMP down to the hour, minute, and second. Returning the first day of a month in MySQL. Connect and share knowledge within a single location that is structured and easy to search. Or, secure discounts to Snowflakes usage-based pricing by buying pre-purchased Snowflake capacity options. Returns 1 (defined first day of the week) to 7 (last day of the week relative to the defined first day). Turn compute resources on and off, so you only pay for what you use, Take advantage of cost-effective compression in Snowflake to store near unlimited amounts of data, Grow your analytics infrastructure with linear cost scalability. Returns day of the week that comes after the input date. ++ 1 to 54. the day belongs to the first week in the next year). hour, minute, second), the function returns a TIMESTAMP_NTZ value, with 00:00:00.000 as the starting time for the date. DAYOFWEEKISO. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Initial setup of this example and some subsequent examples: Query to add 2 years and 2 hours to a date: Add a month to a date in a month with the same or more days than the be '2018-08-01'::DATE. When date_or_time_part is year, quarter, or month (or any of their variations), if the result month has fewer days than the original day of the month, the result day of the month might The following demonstrates the use of the functions YEAR, MONTH, DAY, DAYOFWEEK, DAYOFYEAR, 0 to 7. Each date value contains the century, year, month, day, hour, minute, and second. WRF-GFS is a little too warm as well, notice . How to sort an object array by date property? | LAST_DAY | . For example, without explicit casting, comparing string values produces string-based results: For more information about conversion functions, see Date and Time Formats in Conversion Functions. Day (number) of the year. These functions (and date parts) disregard the session parameters (i.e. Jan 21, 2019): Calculate the difference between the current date and the date in three years: Calculate the difference between the current date and the date in three months: Calculate the difference between the current date and the date in three days: Calculate the difference between the current time and the time in three hours: Calculate the difference between the current time and the time in three minutes: Calculate the difference between the current time and the time in three seconds: -- Output short English names, e.g. Get the current day of the week as a string using the TO_VARCHAR or DECODE function: Get various date and time parts for the current date and time using the DATE_PART function: Alternative option using the EXTRACT function: Get the first day of the month as a DATE value using the DATE_TRUNC function. Note that truncation is not the same as extraction. Possible values are year, quarter, month, or week (or any of their supported Now, let us check these functions in detail. output is a DATE. or smaller, the input value will not be rejected, but instead will be The parameter can have two values: 0: The affected week-related functions use semantics similar to the ISO semantics, in which a week belongs to a given year if at least 4 days of that week are in that year. Adds the specified value for the specified date or time part to a date, time, or timestamp. Calculate difference between two timestamp expressions and return date part. Identify those arcade games from a 1983 Brazilian music video, Follow Up: struct sockaddr storage initialization by network format-string. || The return value is always a date, even if date_or_time_expr is a timestamp. Same as DAYOFWEEK, except uses ISO semantics. Suppose a set of incoming timestamps has a different time zone specified. Accepts all date and time parts (see next section for details). midnight on the specified date). How to find the duplicate data in a table in SQL? The TO_DATE function accepts TIMESTAMP values and even strings in TIMESTAMP format, but discards the time information Truncates a DATE, TIME, or TIMESTAMP to the specified precision. of the year is the first week of the year that contains at least 4 days from that year. [1] For usage details, see the next section, which describes how Snowflake handles calendar weeks and weekdays. DATETRUNC ('day', #9/22/2018#) = #9/22/2018#. Redshift RSQL Control Statements IF-ELSE-GOTO-LABEL. Calculated using weeks starting on the defined first day of the week. Assuming your data set might look like data in below snowflake sample table for sub-query gendata . The date functions in Snowflake are same or slightly different compared to other RDBMS. time. Following are the date and time part extraction functions. Almost all relational databases supports the date functions. num_months_expr can be a positive or negative integer to either add or subtract months, respectively. be different from the original day. Based on feedback weve received, the most common scenario is to set both parameters to 1. Get the first day of the current year as a DATE value: SELECT DATE_TRUNC('year', current_date()); Get the last day of the current year as a DATE value: fractional seconds) that were truncated: ------------+-------------------+--------------------+------------------+, | DATE1 | TRUNCATED TO YEAR | TRUNCATED TO MONTH | TRUNCATED TO DAY |, |------------+-------------------+--------------------+------------------|, | 2015-05-08 | 2015-01-01 | 2015-05-01 | 2015-05-08 |, -------------------------+-------------------------+-------------------------+-------------------------+, | TIMESTAMP1 | TRUNCATED TO HOUR | TRUNCATED TO MINUTE | TRUNCATED TO SECOND |, |-------------------------+-------------------------+-------------------------+-------------------------|, | 2015-05-08 23:39:20.123 | 2015-05-08 23:00:00.000 | 2015-05-08 23:39:00.000 | 2015-05-08 23:39:20.000 |. In the following example, DATE_TRUNC retrieves the beginning of the current month, adds one month to retrieve the beginning of the next month, and then subtracts 1 day to How to Export SQL Server Table to S3 using Spark? Adds or subtracts a specified number of months to a date or timestamp. The data type of the returned value is the same as the data type of the Same as YEAROFWEEK, except uses ISO semantics . For the end of the workweek, we are tracking a system that could bring some moderate snow, and some rain along the . The session parameter WEEK_OF_YEAR_POLICY is set to indicate that the first week For both ADD_MONTHS and , if the result month has fewer days than the original day, the result day of the month is the last day of the result month. Pricing for Snowflake is based on the volume of data you store in Snowflake and the compute time you use. Can I tell police to wait and call a lawyer when served with a search warrant? Trying to pull last day of month records from a daily records table. This unit of measure must execute this query and check if you are looking for data something like this. Following are the date/time truncate functions. For Sunday, set it to 7. show parameters like 'WEEK_START%'; alter session setWEEK_START =7; select'2018-09-30T20:39:20.123-07:00'::timestamp aststamp, dayofweek(tstamp)as"Day of Week"; Cheers, 3, 2023 at 4:31 AM PST | Updated: 5 minutes ago. influence the results of the functions. Snowflake Date Conversion Functions and Examples, Snowflake Interval Data Types and Conversion Examples, Snowflake Concat Function and Operator Examples. Assuming the "created_date" is stored as a timestamp or datetime (synonyms), then you just need to remove the single quotes from around the created_date column name and change "to_char" to use the "monthname" function: select date_part (year, created_date) as year, date_part (month, created_date) as month, monthname (created_date) as . Hence, date types are highly formatted and complicated data types. ++, As you can tell after assessing the four options, feel free to decide for yourself which is most convenient. The default output format will be the DateFormat set in the script. Which of the following statements about Snowflake are true? For example, if you want to add 2 days to August 1, 2018, then this will Snowflake provides a special set of week-related date functions (and equivalent data parts) whose behavior is consistent with the ISO week semantics: The following demonstrates the use of the functions DAYOFWEEK and DAYOFWEEKISO. Same as WEEK, except uses ISO semantics. The cast operator is alternative to CAST function. Convert string containing timestamp to timestamp type. a specified number of months. Returns the last day of the specified date part for a date or timestamp. 1: January 1 always starts the first week of the year and December 31 is always in the last week of the year. For example, when you truncate a date that is in the middle of the month at the month level, this function returns the first day of the month. Note that truncation is not the same as extraction. Get animated radar, hourly and 10-day forecasts, video updates, rainfall totals, and . treated as a TIMESTAMP with hours, minutes, seconds, and fractions of Thursday won't be quite as warm as winds turn to the northeast and clouds increase ahead of the next area of low pressure that'll arrive on Friday. Final Thoughts Certain functions (as well as their appropriate aliases and alternatives) accept a date or time part as an argument. For more details, including examples, see Following are some of the date function usage examples. This means that the first week and last week in the year may have fewer than 7 days. vegan) just to try it, does this inconvenience the caterers and staff? To retrieve the date for the first Tuesday, Wednesday, etc., substitute 2, 3, and so on, respectively, through 7 for Sunday. [1] Results dictated by the values set for the WEEK_OF_YEAR_POLICY and/or WEEK_START session parameters. ------------+-----+-----+------------+-----------+---------------+--------------+------------------------------------+, | Date | Day | DOW | Trunc Date | Trunc Day | Last DOW Date | Last DOW Day | Weeks Diff from 2017-01-01 to Date |, |------------+-----+-----+------------+-----------+---------------+--------------+------------------------------------|, | 2016-12-30 | Fri | 5 | 2016-12-26 | Mon | 2017-01-01 | Sun | 0 |, | 2016-12-31 | Sat | 6 | 2016-12-26 | Mon | 2017-01-01 | Sun | 0 |, | 2017-01-01 | Sun | 0 | 2016-12-26 | Mon | 2017-01-01 | Sun | 0 |, | 2017-01-02 | Mon | 1 | 2017-01-02 | Mon | 2017-01-08 | Sun | 1 |, | 2017-01-03 | Tue | 2 | 2017-01-02 | Mon | 2017-01-08 | Sun | 1 |, | 2017-01-04 | Wed | 3 | 2017-01-02 | Mon | 2017-01-08 | Sun | 1 |, | 2017-01-05 | Thu | 4 | 2017-01-02 | Mon | 2017-01-08 | Sun | 1 |, | 2017-12-30 | Sat | 6 | 2017-12-25 | Mon | 2017-12-31 | Sun | 52 |, | 2017-12-31 | Sun | 0 | 2017-12-25 | Mon | 2017-12-31 | Sun | 52 |, | 2017-01-01 | Sun | 7 | 2016-12-26 | Mon | 2017-01-01 | Sun | 0 |, | 2017-12-31 | Sun | 7 | 2017-12-25 | Mon | 2017-12-31 | Sun | 52 |, | 2016-12-30 | Fri | 3 | 2016-12-28 | Wed | 2017-01-03 | Tue | 0 |, | 2016-12-31 | Sat | 4 | 2016-12-28 | Wed | 2017-01-03 | Tue | 0 |, | 2017-01-01 | Sun | 5 | 2016-12-28 | Wed | 2017-01-03 | Tue | 0 |, | 2017-01-02 | Mon | 6 | 2016-12-28 | Wed | 2017-01-03 | Tue | 0 |, | 2017-01-03 | Tue | 7 | 2016-12-28 | Wed | 2017-01-03 | Tue | 0 |, | 2017-01-04 | Wed | 1 | 2017-01-04 | Wed | 2017-01-10 | Tue | 1 |, | 2017-01-05 | Thu | 2 | 2017-01-04 | Wed | 2017-01-10 | Tue | 1 |, | 2017-12-30 | Sat | 4 | 2017-12-27 | Wed | 2018-01-02 | Tue | 52 |, | 2017-12-31 | Sun | 5 | 2017-12-27 | Wed | 2018-01-02 | Tue | 52 |, ------------+-----+-----+-----------+------+-----------+, | Date | Day | WOY | WOY (ISO) | YOW | YOW (ISO) |, |------------+-----+-----+-----------+------+-----------|, | 2016-12-30 | Fri | 52 | 52 | 2016 | 2016 |, | 2016-12-31 | Sat | 52 | 52 | 2016 | 2016 |, | 2017-01-01 | Sun | 52 | 52 | 2016 | 2016 |, | 2017-01-02 | Mon | 1 | 1 | 2017 | 2017 |, | 2017-01-03 | Tue | 1 | 1 | 2017 | 2017 |, | 2017-01-04 | Wed | 1 | 1 | 2017 | 2017 |, | 2017-01-05 | Thu | 1 | 1 | 2017 | 2017 |, | 2017-12-30 | Sat | 52 | 52 | 2017 | 2017 |, | 2017-12-31 | Sun | 52 | 52 | 2017 | 2017 |, | 2016-12-30 | Fri | 53 | 52 | 2016 | 2016 |, | 2016-12-31 | Sat | 53 | 52 | 2016 | 2016 |, | 2017-01-01 | Sun | 53 | 52 | 2016 | 2016 |, | 2017-01-02 | Mon | 53 | 1 | 2016 | 2017 |, | 2017-01-03 | Tue | 53 | 1 | 2016 | 2017 |, | 2017-01-01 | Sun | 1 | 52 | 2017 | 2016 |, | 2017-01-02 | Mon | 2 | 1 | 2017 | 2017 |, | 2017-01-03 | Tue | 2 | 1 | 2017 | 2017 |, | 2017-01-04 | Wed | 2 | 1 | 2017 | 2017 |, | 2017-01-05 | Thu | 2 | 1 | 2017 | 2017 |, | 2017-12-30 | Sat | 53 | 52 | 2017 | 2017 |, | 2017-12-31 | Sun | 53 | 52 | 2017 | 2017 |. of the year is the week that contains January 1st of that year. weeks have 7 days, but the first days of January and the last days of December might belong to a week in a different year. WOY (ISO) and YOW (ISO) are not affected by the parameter change. GMB's answer is the most appropiate one, I am also sharing the entire SQL that you can use select date_trunc('MONTH', to_date('2014-02-17')) as FIRST_DAY_MONTH; How to truncate a date to the first day of the month in Snowflake? To learn more, see our tips on writing great answers. I would like to schedule my snowflake task to run once a month. For more detailed examples of the week-related functions (DAYOFWEEK, WEEK, WEEKOFYEAR, YEAROFWEEK, etc. month, year), the function returns a DATE value. If you preorder a special airline meal (e.g. Our first snowflakes normally fall in Buffalo late in October, but it should be no surprise snow did not fall . ++ We can use other available date functions for this. LAST_DAY function Syntax LAST_DAY( <date_or_time_expr> [ , <date_part> ] ) LAST_DAY function Examples 2023 Snowflake Inc. All Rights Reserved | If youd rather not receive future emails from Snowflake, unsubscribe here or customize your communication preferences, Snowflake for Advertising, Media, & Entertainment, unsubscribe here or customize your communication preferences, Secure Data Sharing across regions / clouds, Always-on enterprise grade encryption in transit and at rest, Tri-Secret Secure using customer-managed keys, Google Cloud Private Service Connect support, Database failover and failback for business continuity, External Functions - AWS API Gateway Private Endpoints support, Customer-dedicated virtual servers wherever the encryption key is in memory, Premier S1 day of time travel support 24 x 365. The session parameter WEEK_START is set to indicate that the week starts on Monday. Subtract one month from the last day of May 2016. Truncates a DATE, TIME, or TIMESTAMP to the specified precision. (So, for example, (hours, minutes, etc.). 01-08-2020. Making statements based on opinion; back them up with references or personal experience. When you retrieve DATE information, you can format it as a TIMESTAMP if you wish: Get the current date and time as a TIMESTAMP value: Get the current day of the week as a number using the EXTRACT function: The dayofweek_iso part follows the ISO-8601 data elements and interchange formats standard. functions can provide the year that the week belongs to. Now we can check for first day of month , Select trunc((sysdate),'month') as First_day_of_month from dual; First_day_of_month. rounded to the nearest integer. 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, Adds the specified value for the specified date or time part to a date, time, or timestamp. parameters interact is the concept of ISO weeks. ++, select last_day( current_date interval 1 month ) as last_day; Returns the last day of the input week relative to the defined first day of the week. This should be an If the input data type is DATE, and the date_or_time_part is hours 1. Return the last day of the month for the specified date (from a timestamp): Return the last day of the year for the specified date (from a timestamp). Commonly used to return the last day of the month for a date or timestamp. Convert string containing time to time type. Trying to understand how to get this basic Fourier Series, About an argument in Famine, Affluence and Morality. An important aspect of understanding how these week_iso , weekofyeariso , weekofyear_iso. For compatibility with some other systems, the dayofweek part follows the UNIX standard. Lets consider there are 50 people in a queue but, we can able to manage only first 20 people for the day and the rest will not be able to apply for the post. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. As defined in the ISO 8601 standard (for dates and time formats), ISO weeks always start on Monday and belong to the year that contains the Thursday of Calculates the beginning or end of a slice of time. Accepts relevant date and time parts (see next section for details). The returned value is the same type as the input value. Table : orders . TOLEDO, Ohio (WTVG) - Heavy rain and thunderstorms are likely starting around mid-day. date_part (Optional) is the date part for which the last day is returned. Get started with Datameer Cloud in minutes. Allows a time to be rounded to the start of an evenly-spaced interval. For example, -------------------------+------+-----------------+-------+-----+--------------+-------------+, | TSTAMP | YEAR | QUARTER OF YEAR | MONTH | DAY | DAY OF MONTH | DAY OF YEAR |, |-------------------------+------+-----------------+-------+-----+--------------+-------------|, | 2013-05-08 23:39:20.123 | 2013 | 2 | 5 | 8 | 8 | 128 |, -------------------------+------+----------+--------------+--------------+------------------+, | TSTAMP | WEEK | WEEK ISO | WEEK OF YEAR | YEAR OF WEEK | YEAR OF WEEK ISO |, |-------------------------+------+----------+--------------+--------------+------------------|, | 2016-01-02 23:39:20.123 | 1 | 53 | 1 | 2016 | 2015 |, | 2016-01-02 23:39:20.123 | 53 | 53 | 53 | 2015 | 2015 |, -------------------------+-------------+-----------------+, | TSTAMP | DAY OF WEEK | DAY OF WEEK ISO |, |-------------------------+-------------+-----------------|, | 2016-01-02 23:39:20.123 | 7 | 6 |, | 2016-01-02 23:39:20.123 | 6 | 6 |. ADD_MONTHS function Usage. But the one before that, 2021, still stands at number 2 for snowiest Februarys on record with. The thunderstorms will mix with snow and . Real World Use Case Scenarios for DATE_TRUNC Function in Snowflake. I'm Vithal, a techie by profession, passionate blogger, frequent traveler, Beer lover and many more.. Calculate difference between two time expressions and return date part. Truncates the date to the accuracy specified by the date_part. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, How to return only the Date from a SQL Server DateTime datatype. How to Optimize Query Performance on Redshift? How to notate a grace note at the start of a bar with lilypond? LAST_DAY function in Snowflake - SQL Syntax and Examples LAST_DAY Description Returns the last day of the specified date part for a date or timestamp. monthstart - script and chart function This function returns a value corresponding to a timestamp of the first millisecond of the first day of the month containing date. What am I doing wrong here in the PlotLegends specification? What is the point of Thrower's Bandolier? "Sun", "Mon" etc. DAYOFWEEKISO , WEEKISO , YEAROFWEEKISO. For more information, read our pricing guide or contact us. To calculate the start date from IsoWeek, we need to parse year and week values from IsoWeek, then find the first day of the week by the help of LAST_DAY() functions. Hence, date types are highly formatted and complicated data types. Returns the last day of the specified date part for a date or timestamp. Adds or subtracts a specified number of months to a date or timestamp, preserving the end-of-month information. Day (number) of the month. Snowflake priced its initial public offering Tuesday night at $120 a share well above the expected range of $100 to $110. 1 to 7. output is a TIMESTAMP_NTZ. ADD_MONTHS returns slightly different results than DATEADD used with a MONTH component: For both ADD_MONTHS and DATEADD, if the result month has fewer days than the original day, the result day of the month is the last day of the result month. resulting month. Extracts the corresponding date part from a date or timestamp. This means that the first week and last week in the year may have fewer than 7 days. For more examples, see Using Dates and Timestamps. You can use following query also to find out first day of the month, 3. || March opens with a average high of 46 and warms to 58 on the 31st. I was able to derive the first day of the next month, using the following: SET @strFirstOfNextMonth = (SELECT CONVERT(VARCHAR, DATEADD(m, DATEDIFF(m, 0, DATEADD(MM, 0, GETDATE())), 0 . The month . Therefore changing the date to the first day of the month, without writing any code. Extract 3 letter month name from date/timestamp. The WEEK_OF_YEAR_POLICY session parameter controls how the WEEK and YEAROFWEEK functions behave. whereas in Snowflake: select DATEADD( month, -1 , date_trunc('month', current_date()) ) --o/p : 2019-05-01. AZFamily's First Alert Weather App First lets you track storms and get severe weather alerts whereever you are. The difference between the phonemes /p/ and /b/ in Japanese. Example. For example, get the current date, subtract date values, etc. -- Output arbitrary, explicitly-provided month names, ----------------------------------------+, | DATE_TRUNC('DAY', CURRENT_TIMESTAMP()) |, |----------------------------------------|, | Wed, 07 Sep 2016 00:00:00 -0700 |, -- Comparison with explicit casting to date, Date and Time Formats in Conversion Functions, --------------------------------------------------------------------------------+, | DATEADD('DAY',5,TO_TIMESTAMP ('12-JAN-2016 00:00:00','DD-MON-YYYY HH:MI:SS') ) |, |--------------------------------------------------------------------------------|, | Thu, 17 Jan 2016 00:00:00 -0800 |, -------------------------------------------------------------------------------------------------+, | DATEDIFF('DAY', TO_TIMESTAMP ('12-JAN-2016 00:00:00','DD-MON-YYYY HH:MI:SS') , CURRENT_DATE() ) |, |-------------------------------------------------------------------------------------------------|, | 240 |, -------------------------------------------------------------------------------------------+, | DATEDIFF('DAY', TO_DATE ('12-JAN-2016 00:00:00','DD-MON-YYYY HH:MI:SS'), CURRENT_DATE() ) |, |-------------------------------------------------------------------------------------------|, | 240 |, -----+------------+-----------------+-----------+---------+, | N | THEDATE | THEDAYOFTHEWEEK | THEMONTH | THEYEAR |, |-----+------------+-----------------+-----------+---------|, | 1 | 2016-01-01 | Friday | January | 2016 |, | 2 | 2016-01-02 | Saturday | January | 2016 |, | 364 | 2016-12-29 | Thursday | December | 2016 |, | 365 | 2016-12-30 | Friday | December | 2016 |, Inserting Valid Date Strings Into Date Columns in a Table, Calculating Business Calendar Dates and Times, Converting Valid Character Strings to Dates, Times, or Timestamps, Calculating Differences Between Dates or Times.