Labels:text | screenshot | font | number OCR: Family Description Character Functions that operate on and return character strings. Functions An example is the SUBSTR function, which returns a portion or sub-string of the original string. Conversion Functions that convert data from one data type to Functions another. For example, the TO_DATE function converts a string or number to a date. Date Functions Functions that operate on and return dates. An example is the ADD_MONTHS function, which returns a date N months (in the past or future) from the original date. Numeric Functions Functions that operate on and return numbers. PL/SQL offers a comprehensive array of standard numeric functions, as you would expect in a procedural language. Miscellaneous Every language has got to have them! These functions Functions don't quite fit into a specific category. One example is VSIZE, which returns the number of bytes used to store the specified data.
