TO_CHAR(datetime) Function in SQL Query

TO_CHAR (datetime) : TO_CHAR (datetime) converts a datetime datatype to a value of VARCHAR2 datatype in the format specified by the date format. The following is a list of valid parameters when the TO_CHAR function is used to convert a date to a string. These parameters can be used in many combinations. YEAR Year, spelled out YYYY 4-digit year YYY Last 3 digits of year. YY Last 2 digits of year. Y Last 1 digit of year. IYYY 4-digit year based on the ISO standard Q Quarter of year (1, 2, 3, 4; JAN-MAR = 1). MM Month (01-12; JAN = 01). MON Abbreviated name of month. MONTH Name of month, padded with blanks to length of 9 characters. RM Roman numeral month (I-XII; JAN = I). WW Week of year (1-53) where week 1 starts on the first day of the year and continues to the seventh day of the year. W Week of month (1-5) where week 1 starts on the first day of the month and ends on the seventh. IW Week of year (1-52 or 1-53) based on the ISO standard. D Day of week (1-7). DAY Name of day. DD Day of month (1-31). DDD Day of year (1-366). DY Abbreviated name of day. J Julian day; the number of days since January 1, 4712 BC. HH Hour of day (1-12). HH12 Hour of day (1-12). HH24 Hour of day (0-23). MI Minute (0-59). SS Second (0-59). SSSSS Seconds past midnight (0-86399). FF Fractional seconds. Thanks for watching...:)