Returns the current date in the session time zone, in a value in the Gregorian calendar of . In Oracle/PLSQL, the to_date function converts a string to a date. You cannot multiply or divide DATE values. Oracle provides functions for many common date operations. For example, the ADD_MONTHS function lets you add . To remedy this, we must either explicitly use the TO_DATE function with a format mask, set the NLS_DATE_FORMAT appropriately, or use an ANSI DATE literal.
Oracle date functions - consider, that
The second argument can have a fractional part. Within each function, you can specify multiple ordering expressions. This restriction does not apply to window boundaries specified by the ROW keyword. Note that the period arguments P1 and P2 are not date values. This works if the option is used on both the master and the slave. Extra characters at the end of str are ignored. This works if the option is used on both the master and the slave. Analytic functions are commonly used in data warehousing environments. The oracle date functions is then applied to all the rows in the window. Note that the period arguments P1 and P2 are not date values. This restriction does not apply to window boundaries specified by the ROW keyword. The range of the result is constrained to that of the TIME data type, oracle date functions. Please refer to the analytic example for SUM for an illustration of this behavior.
38. Date Functions - Add_Months, Last_Day, Months_Between, Next_Day, To_Date, New_Time in Oracle