Exploring constructor functions
How do you construct a DATE value? There are always two streams that can be used. The first type relates to the already described ANSI standard being adopted. The second stream uses explicit field mapping forming constructor functions. To ensure the processing is correct irrespective of the system and session format configuration, it is strongly recommended to always cover the mapping, that is, ensuring there is an unambiguous expression of the meaning of individual elements during the value construction. The DATE value cannot be treated as a string and individual values must be assigned to the elements, ensuring the correct meaning, representation, and management (mapping to the individual elements). For example, the value 12 can express the day, the month, or any time element (hour, minute, or second). Thus, without knowing the meaning of the values, two issues can be present. The first is that an exception will be raised if it is improperly specified...
