What is the equivalent of PIC S9 with length 16 in Oracle? I want it for storing timestamp.
Actually, when managing timestamps in pro-COBOL, i do the following :
77 H-DATETIME PIC X(19).
In the Oracle Point of view, i use a DateTime object
When i want to retrieve the value, i use the following :
TO_CHAR(A.TIMESTAMP, YYYY-MM-DD-HH24-MI-SS )
When i want to update the Oracle field, i use the following :
TO_DATE(A.TIMESTAMP, YYYY-MM-DD-HH24-MI-SS )
The format i use allows sorting and using "SEARCH / SEARCHE ALL".
Hope this helps.
Don t know about PIC S9 but Oracle has a timestamp datatype.
If you want to store a date or a datetime with precision to seconds then use the DATE data type. If you need subsecond granularity then use the TIMESTAMP data type.
It s considered a very bad practice to store dates as a numeric or character representation in oracle as it makes date validation and date operations more complex, and can lead to poor query optimisation.
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