WebThe EXTRACT function return integers for the specified date part only, ignoring higher- and lower-level date parts. If the specified date part is seconds, milliseconds and microseconds are not included in the result. If the specified date part is milliseconds, seconds and microseconds are not included. WebJan 21, 2024 · The prototype function here is DATE_TRUNC (), which truncates your date to a lower level of specificity, like month or year. Here’s how things look across dialects: For a more concrete example of when you’d use a date truncation function, imagine we have a table of order where each row represents an order, and each order has a date.
DATE_PART function - Amazon Redshift
WebMay 3, 2024 · Redshift offers a DATE_TRUNC ('week', datestamp) function. Given any datestamp value, either a date or datetime, it gives back the date of the preceding Sunday. So this might work for you. It filters rows from the Sunday before last, up until but not including, the last Sunday, and so gets a full week. WebSep 8, 2024 · You can use a recursive CTE ( which Redshift now supports ). You can generate the dates directly: with recursive months (yyyymm, n) as ( select date_trunc ('month', current_date) as yyyymm, 1 as n union all select yyyymm - interval '1 month', n + 1 from months m where n < 200 ) select yyyymm from months; Share Improve this answer … china meidong stock
15 Redshift date functions frequently used by developers - OBSTKEL
WebDec 7, 2024 · Date part is an argument used in Redshift date functions. It is a single lowercase word ( datepart) used to denote a part of a date. This could be day, month, … WebJan 10, 2024 · Note: BigQuery’s DATE_TRUNC function supports the truncation of date types, whereas Snowflake, Redshift, and Databricks’ can be a date or timestamp data type. BigQuery also supports DATETIME_TRUNC and TIMESTAMP_TRUNC functions to support truncation of more granular date/time types. … WebA date column, timestamp column, or an expression that implicitly converts to a date or timestamp. The column or expression in date or timestamp must contain the date part specified in datepart. Return type DOUBLE Examples The default column name for the DATE_PART function is pgdate_part. grainger discounts