WebJan 25, 2024 · For this purpose, we can use the DATEADD function. Sales for the last 3 months example select sum (amount) from sales where sale_date > current_date - interval '3 month' Note that we could also use the DATEADD or the ADD_MONTHS functions instead of INTERVAL. Sale is 2 months later than the purchase example WebFeb 9, 2024 · date_part ( text, interval ) → double precision Get interval subfield (equivalent to extract ); see Section 9.9.1 date_part ('month', interval '2 years 3 …
MySQL DATE_SUB() 函数 菜鸟教程
WebApr 13, 2024 · 3.3 now:当前日期和时间 select now() ; 3.4 YEAR , MONTH , DAY:当前年、月、日 select YEAR ( now ()); select MONTH ( now ()); select DAY ( now ()); 3.5 date_add:增加指定的时间间隔 select date _ add (now (), INTERVAL 70 YEAR ); 3.6 datediff:获取两个日期相差的天数 select datediff('2024-10-01', '2024-04-01') ; 3.7 案例 … WebSep 30, 2024 · Here we will use the current_date ( ) function to get the current date and INTERVAL data type to add the days to the current date. SELECT current_date + INTERVAL '10 day'; In the above code, we are adding 10 days to the current date. Postgresql add days to date current date grandmother\u0027s words to her granddaughter
Date时间类 减当前时间 - CSDN文库
WebAug 25, 2024 · The DATEADD () function adds a time/date interval to a date and then returns the date. Syntax DATEADD ( interval, number, date) Parameter Values … WebThe DATE_SUB () function subtracts a time value (or an interval) from a DATE or DATETIME value. The following illustrates the DATE_SUB () function: DATE_SUB (start_date,INTERVAL expr unit) Code language: SQL (Structured Query Language) (sql) The DATE_SUB () function accepts two arguments: start_date is the starting DATE or … WebJun 20, 2024 · The interval parameter is an enumeration, not a set of strings; therefore values should not be enclosed in quotation marks. Also, the values: year, quarter, month, day should be spelled in full when using them. The result table includes only dates that exist in the dates column. chinese herbal way boldmere cindy