本页显示最常用的MySQL Date函数，可让您有效地操作日期和时间数据。
| Function | Description |
|---|---|
| CURDATE | Returns the current date. |
| DATEDIFF | Calculates the number of days between two DATE values. |
| DAY | Gets the day of the month of a specified date. |
| DATE_ADD | Adds a time value to date value. |
| DATE_SUB | Subtracts a time value from a date value. |
| DATE_FORMAT | Formats a date value based on a specified date format. |
| DAYNAME | Gets the name of a weekday for a specified date. |
| DAYOFWEEK | Returns the weekday index for a date. |
| EXTRACT | Extracts a part of a date. |
| LAST_DAY | Returns the last day of the month of a specified date |
| NOW | Returns the current date and time at which the statement executed. |
| MONTH | Returns an integer that represents a month of a specified date. |
| STR_TO_DATE | Converts a string into a date and time value based on a specified format. |
| SYSDATE | Returns the current date. |
| TIMEDIFF | Calculates the difference between two TIME or DATETIME values. |
| TIMESTAMPDIFF | Calculates the difference between two DATE or DATETIME values. |
| WEEK | Returns a week number of a date. |
| WEEKDAY | Returns a weekday index for a date. |
| YEAR | Return the year for a specified date |
日期：2019-11-20 08:52:21 来源：oir作者：oir