Web我想弄清楚如何在 SQL 中獲取返回給我的一組結果。 我有一個名為 狀態 的列，它的值是 通過 或 失敗 。 在同一個表中有一列 Date Entered 我需要一個查詢來返回同一天沒有 通過 的 失敗 的所有天數。 例子： 在我的結果集中，我只想看到 的兩個條目，因為第一個和第三個都有 通過 結果 WebHere is an example that uses date functions. The following query selects all rows with a date_col value from within the last 30 days: . mysql> SELECT something FROM …
MySQL Date and Time Function {Guide with Examples}
WebDec 24, 2012 · NEVER EVER use a selector like DATE (datecolumns) = '2012-12-24' - it is a performance killer: it will calculate DATE () for all rows, including those, that don't … WebJul 20, 2010 · You can use the LAST_DAY function provided by MySQL to retrieve the last day of any month, that's easy:. SELECT LAST_DAY('2010-06-15'); Will return: 2010-06 … newspaper coupons
mysql - SQL Query to get last day of every week - Database ...
WebTo get the day of the current date, you use the CURRENT_TIMESTAMP function in the EXTRACT () function as follows: SELECT EXTRACT ( DAY FROM CURRENT_TIMESTAMP ) Code language: SQL (Structured Query Language) (sql) Note that the EXTRACT () function is a SQL standard function supported by MySQL , Oracle, … WebJan 7, 2012 · You need to use the DAYOFWEEK function. If the End of the Week in Saturday, any date can be morphed into a Saturday. For example, this computes the upcoming Saturday. SELECT DATE (NOW () + INTERVAL (7 - DAYOFWEEK (NOW ())) DAY); This computes the upcoming Sunday (you must use WEEKDAY function instead) middle of the world farm