| Functions | Description |
|---|
| ADDDATE() | MySQL ADDDATE() adds a time value with a date. |
| ADDTIME() | In MySQL the ADDTIME() returns a time or datetime after adding a time value with a time or datetime. |
| CONVERT_TZ() | In MySQL the CONVERT_TZ() returns a resulting value after converting a datetime value from a time zone specified as the second argument to the time zone specified as the third argument. |
| CURDATE() | In MySQL the CURDATE() returns the current date in 'YYYY-MM-DD' format or 'YYYYMMDD' format depending on whether numeric or string is used in the function. |
| CURRENT_DATE() | In MySQL the CURRENT_DATE returns the current date in ‘YYYY-MM-DD’ format or YYYYMMDD format depending on whether numeric or string is used in the function. |
| CURRENT_TIME() | In MySQL the CURRENT_TIME() returns the current time in ‘HH:MM:SS’ format or HHMMSS.uuuuuu format depending on whether numeric or string is used in the function. |
| CURRENT_TIMESTAMP() | In MySQL the CURRENT_TIEMSTAMP returns the current date and time in ‘YYYY-MM-DD HH:MM:SS’ format or YYYYMMDDHHMMSS.uuuuuu format depending on whether numeric or string is used in the function. |
| CURTIME() | In MySQL the CURTIME() returns the value of current time in ‘HH:MM:SS’ format or HHMMSS.uuuuuu format depending on whether numeric or string is used in the function. |
| DATE_ADD() | MySQL DATE_ADD() adds time values (as intervals) to a date value. The ADDDATE() is the synonym of DATE_ADD(). |
| DATE_FORMAT() | MySQL DATE_FORMAT() formats a date as specified in the argument. A list of format specifiers given bellow may be used to format a date. |
| DATE_SUB() | MySql date_sub() function subtract a time value (as interval) from a date. |
| DATE() | MySQL DATE() takes the date part out from a datetime expression. |
| DATEDIFF() | MySQL DATEDIFF() returns the number of days between two dates or datetimes. |
| DAY() | MySQL DAY() returns the day of the month for a specified date. |
| DAYNAME() | MySQL DAYNAME() returns the name of the week day of a date specified in the argument. |
| DAY OF MONTH() | MySQL DAYOFMONTH() returns the day of the month for a given date. |
| DAY OF WEEK() | MySQL DAYOFWEEK() returns the week day number (1 for Sunday,2 for Monday …… 7 for Saturday ) for a date specified as an argument. |
| DAY OF YEAR() | MySQL DAYOFYEAR() returns day of the year for a date. The return value is within the range of 1 to 366. |
| EXTRACT() | MySQL EXTRACT() extracts a part of a given date. |
| FROM_DAYS() | MySQL FROM_DAYS() returns a date against a datevalue. |
| FROM_UNIXTIME() | MySQL FROM_UNIXTIME() returns a date /datetime from a version of unix_timestamp. |
| GET_FORMAT() | MySQL GET_FORMAT() converts a date or time or datetime in a formatted manner as specified in the argument. |
| HOUR() | MySQL HOUR() returns the hour of a time. |
| LAST_DAY() | MySQL LAST_DAY() returns the last day of the corresponding month for a date or datetime value. |
| LOCALTIME() | MySQL LOCALTIME returns the value of current date and time in ‘YYYY-MM-DD HH:MM:SS’ format or YYYYMMDDHHMMSS.uuuuuu format depending on the context (numeric or string) of the function. |
| LOCALTIMESTAMP() | MySQL LOCALTIMESTAMP returns the value of current date and time in ‘YYYY-MM-DD HH:MM:SS’ format or YYYMMDDHHMMSS.uuuuuu format depending on the context (numeric or string) of the function. |
| MAKEDATE() | MySQL MAKEDATE() returns a date by taking a value of a year and a number of days. The number of days must be greater than 0 otherwise a NULL will be returned. |
| MAKETIME() | MySQL MAKETIME() makes and returns a time value from a given hour, minute and seconds. |
| MICROSECOND() | MySQL MICROSECOND() returns microseconds from the time or datetime expression. |
| MINUTE() | MySQL MINUTE() returns a minute from a time or datetime value. |
| MONTH() | MySQL MONTH() returns the month for the date within a range of 1 to 12 ( January to December). |
| MONTHNAME() | MySQL MONTHNAME() returns the full name of the month for a given date. |
| NOW() | MySQL NOW() returns the value of current date and time in ‘YYYY-MM-DD HH:MM:SS’ format or YYYYMMDDHHMMSS.uuuuuu format depending on the context (numeric or string) of the function. |
| PERIOD_ADD() | MySQL PERIOD_ADD() adds a number of months with a period and returns the value in the format YYYYMM OR YYMM. Remember that the format YYYYMM and YYMM are not date values. |
| PERIOD_DIFF() | MySQL PERIOD_DIFF() returns the difference between two periods. |
| QUARTER() | MySQL QUARTER() returns the quarter of the year for a date. |
| SEC_TO_TIME() | MySQL SEC_TO_TIME() returns a time value by converting the seconds specified in the argument. |
| SECOND() | MySQL SECOND() returns the second for a time. |
| STR_TO_DATE() | MySQL STR_TO_DATE() returns a datetime value by taking a string and a specific format string as arguments. |
| SUBDATE() | MySQL SUBDATAE() subtracts a time value (as interval) from a given date. |
| SUBTIME() | MySQL SUBTIME() subtracts one datetime value from another. |
| SYSDATE() | MySQL SYSDATE() returns the current date and time in YYYY-MM-DD HH:MM:SS or YYYYMMDDHHMMSS.uuuuuu format depending on the context of the function. |
| TIME_FORMAT() | MySQL TIME_FORMAT() converts a time in a formatted string using the format specifiers. |
| TIME_TO_SEC() | MySQL TIME_TO_SEC() converts a time value in to seconds. |
| TIME() | MySQL TIME() extracts the time part of a time or datetime expression as string format. |
| TIMEDIFF() | MySQL TIMEDIFF() returns the differences between two time or datetime expressions. |
| TIMESTAMP() | MySQL TIMESTAMP() returns a datetime value against a date or datetime expression. |
| TIMESTAMPADD() | MySQL TIMESTAMPADD() adds time value with a date or datetime value. |
| TIMESTAMPDIFF() | MySQL the TIMESTAMPDIFF() returns a value after subtracting a datetime expression from another. |
| TO_DAYS() | MySQL TO_DAYS() returns number of days between a given date and year 0. |
| UNIX_TIMESTAMP() | MySQL UNIX_TIMESTAMP() returns a Unix timestamp in seconds since '1970-01-01 00:00:00' UTC as an unsigned integer if no arguments are passed with UNIT_TIMESTAMP(). |
| UTC_DATE() | MySQL UTC_DATE returns the current UTC (Coordinated Universal Time) date as a value in 'YYYY-MM-DD' or YYYYMMDD format depending on the context of the function i.e. in a string or numeric context. |
| UTC_TIME() | MySQL UTC_TIME returns the current UTC time as a value in 'HH:MM:SS' or HHMMSS format depending on the context of the function i.e. in a string or numeric context. |
| UTC_TIMESTAMP() | In MySQL the UTC_TIMESTAMP returns the current UTC date and time as a value in 'YYYY-MM-DD HH:MM:SS' or YYYYMMDDHHMMSS.uuuuuu format depending on the usage of the function i.e. in a string or numeric context. |
| WEEK() | MySQL WEEK() returns the week number for a given date. |
| WEEKDAY() | MySQL WEEKDAY() returns the index of the day in a week for a given date (0 for Monday, 1 for Tuesday and ......6 for Sunday). |
| WEEK OF YEAR() | MySQL WEEKOFYEAR() returns the calender week (as a number) of a given date. |
| YEAR() | MySQL YEAR() returns the year for a given date. |
| YEARWEEK() | MySQL YEARWEEK() returns year and week number for a given date. |
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