Eine Einführung in
|We can extract the year, the month, the day of the month and the day of the week. Times may be extracted in a similar way. The SQL Standard specifies the understandably unpopular EXTRACT function.|
|Specific to Oracle|
|In addition to the standard Oracle has TO_CHAR.
The TO_CHAR function can be used to convert a date into a string. The second
parameter specifies the format. The following code may be used in the format