This Sys_Calendar view provides business functionality for the three system-defined business calendars.
| View Column Name | Description | Data Type | Format |
|---|---|---|---|
| Calendar_Date | The date. | DATE | YY/MM/DD |
| Day_of_Week | An integer value that ranges from 1 to 7. | INTEGER | -(10)9 |
| Day_of_Month | A integer value that ranges from 1 to 31. | INTEGER | -(10)9 |
| Day_of_Year | An integer value that ranges from 1 to 366. | INTEGER | -(10)9 |
| Day_of_Calendar | The number of days since the beginning of the calendar. | INTEGER | -(10)9 |
| Weekday_of_Month | The nth occurrence of the weekday in the month (1-5). | INTEGER | -(10)9 |
| Week_of_Month | The week number of the month, ranging from 0 to 5. | INTEGER | -(10)9 |
| Week_of_Quarter | The week number of the quarter, ranging from 0 to 14. | INTEGER | -(10)9 |
| Week_of_Year | The week number of the year, ranging from 0 to 53. | INTEGER | -(10)9 |
| Week_of_Calendar | For a given date, the number of the week in the calendar in which it occurs. | INTEGER | -(10)9 |
| Month_of_Quarter | For a given date, the number of the month in the quarter in which it occurs. | INTEGER | -(10)9 |
| Month_of_Year | For a given date, the number of the month in the year in which it occurs. | INTEGER | -(10)9 |
| Month_of_Calendar | For a given date, the number of the month in the calendar in which it occurs. | INTEGER | -(10)9 |
| Quarter_of_Year | For a given date, the quarter of the year in which it occurs. | INTEGER | -(10)9 |
| Quarter_of_Calendar | For a given date, the quarter number of the calendar in which it occurs. | INTEGER | -(10)9 |
| Year_of_Calendar | For a given date, the year number of the calendar in which it occurs. | INTEGER | -(10)9 |
| WeekEnd | The end of the week for the given date. | DATE | YY/MM/DD |
| WeekBegin | The beginning of the week for the given date. | DATE | YY/MM/DD |
| MonthBegin | The beginning of the month for the given date. | DATE | YY/MM/DD |
| MonthEnd | The end of the month for the given date. | DATE | YY/MM/DD |
| QuarterBegin | The beginning of the quarter for the given date. | DATE | YY/MM/DD |
| QuarterEnd | The end of the quarter for the given date. | DATE | YY/MM/DD |
| YearBegin | The beginning of the year for the given date. | DATE | YY/MM/DD |
| YearEnd | The end of the year for the given date. | DATE | YY/MM/DD |
| IsBusinessDay | Whether or not the given day is a business day. | BYNET | -(3)9 |
| BusinessWeekBegin | The first working day of the week in which the given date occurs. | DATE | YY/MM/DD |
| BusinessWeekEnd | The last working day of the week in which the given date occurs. | DATE | YY/MM/DD |
| BusinessMonthBegin | The first working day of the month in which the given date occurs. | DATE | YY/MM/DD |
| BusinessMonthEnd | The last working day of the month in which the given date occurs. | DATE | YY/MM/DD |
| BusinessQuarterBegin | The first working day of the quarter in which the given date occurs. | DATE | YY/MM/DD |
| BusinessQuarterEnd | The last working day of the quarter in which the given date occurs. | DATE | YY/MM/DD |
| BusinessYearBegin | The first working day of the year in which the given date occurs. | DATE | YY/MM/DD |
| BusinessYearEnd | The last working day of the year in which the given date occurs. | DATE | YY/MM/DD |
Example: Querying for Day of the Week Using the ISO Calendar
This query returns the day of the week using the ISO calendar.
Set session calendar = iso; Sel day_of_week from Sys_Calendar.Calendar where calendar_date = date '2011-01-01'; day_of_week ----------- 6