Web[Teradata] Lag and Lead function We're currently in the process of switching from sql server to teradata to do our reporting and one of the things I noticed is the window function lead and lag is not there in teradata. WebJul 1, 2012 · Create Table Taco ( Taco_ID int, Taco_value int, Taco_date datetime) Insert INTO Taco Values (1, 1, '2012-07-01 00:00:01'), (1, 1, '2012-07-01 00:00:02'), (1, 1, '2012-07-01 00:00:03'), (1, 1, '2012-07-01 00:00:04'), (1, 2, '2012-07-01 00:00:05'), (1, 2, '2012-07-01 00:00:06'), (1, 2, '2012-07-01 00:00:07'), (1, 2, '2012-07-01 00:00:08')
Commonly used Teradata Date Functions and Examples
SELECT CALENDAR_DATE , MAX (CALENDAR_DATE) OVER (PARTITION BY 1 ORDER BY CALENDAR_DATE ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING) AS Lag_ --Yesterday , MIN (CALENDAR_DATE) OVER (PARTITION BY 1 ORDER BY CALENDAR_DATE ROWS BETWEEN 1 FOLLOWING AND 1 FOLLOWING) AS Lead_ --Tomorrow FROM SysCalendar.CALENDAR WHERE year_of_calendar = 2011 AND … WebOct 18, 2016 · LAG function Syntax LAG (value_expression [, offset [, default_expression]]) LAG function Examples The following example illustrates a basic use of the LAG function. WITH finishers AS (SELECT 'Sophia Liu' as name, TIMESTAMP '2016-10-18 2:51:45' as finish_time, 'F30-34' as division fellowship of the rockies youtube
Analytic Functions: Using LAG for SCD type 2 - ClearPeaks
WebJul 14, 2024 · SELECT day, hospital_name, number_of_patients, day - LAG (day) OVER (ORDER BY day) AS days_since_last_case FROM hospital_statistics WHERE illness_name = 'MDLR' ORDER BY day You can see the same pattern that we used before. Now, it’s being used to calculate the days since the last case. WebDates are stored as integer internally using the following formula. ( (YEAR - 1900) * 10000) + (MONTH * 100) + DAY. You can use the following query to check how the dates are stored. SELECT CAST (CURRENT_DATE AS INTEGER); Since the dates are stored as integer, you can perform some arithmetic operations on them. Web1 day ago · Earnings conference call to begin at 2 p.m. PT on Thursday, May 4, 2024 Teradata Corporation TDC today announced that it will release its 2024 first quarter financial results after the market ... fellowship of the ring video game bag end map