| Date | DateTime | Date | Extracts the date part from a datetime expression. | 
| CURRENT_TIME |  | Time | Return current time in HH:MM:SSformat. | 
| CURRENT_DATE |  | Date | Return current date in YYYY-MM-DDformat. | 
| CURRENT_TIMESTAMP |  | DateTime | Return current date time in YYYY-MM-DD HH:MM:SSformat. | 
| MAKEDATE | Integer, Integer | Date | Create and return a date based on a year and a number of days. | 
| MAKETIME | Integer, Integer, Integer | Time | Create and return a time value based on an hour, minute, and second value. | 
| NOW |  | DateTime | Return current date time in YYYY-MM-DD HH:MM:SSformat. | 
| Day | Date | Integer | Returns the index of the day (1 to 31) in the date. | 
| DAYNAME | Date | Text | Returns the name of the day given a timestamp. | 
| MONTHNAME | Date | Text | Returns the name of the month given a timestamp. | 
| HOUR | DateTime | Integer | Returns the hour part of a datetime. | 
| MINUTE | DateTime | Integer | Returns the minute part of a datetime. | 
| ISDATE | Any | Boolean | Return TRUE if the argument type is Date. | 
| DAYOFWEEK | Date | Integer | Returns the day of the week for a given date (a number from 1 to 7) | 
| DAYOFMONTH | Date | Integer | Returns the day of the month for a given date (a number from 1 to 31) | 
| DAYOFYEAR | Date | Integer | Returns the day of the year for a given date (a number from 1 to 366) | 
| WEEKOFYEAR | Date | Integer | Returns the week number for a given date (a number from 1 to 53). | 
| QUARTER | Date | Integer | Returns the quarter of the year for a given date value (a number from 1 to 4) | 
| YEAR | Date | Integer | Returns the year part of the date | 
| MONTH | Date | Integer | Returns the month part of the date (a number from 1 to 12) | 
| WEEKDAY | Date | Integer | Returns the weekday number of the date (from 0 monday to 6 sunday) | 
| TO_DAYS | Date | Integer | Returns the number of days between a date and date "0000-00-00" | 
| LAST_DAY | Date | Date | Returns the last day of the month for a given date | 
| YEARWEEK | Date | Text | Returns the year and week number (a number from 0 to 53) for a given date |