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Technology Stocks : Zitel-ZITL What's Happening
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To: Craig Richards who wrote (196)10/20/1996 8:45:00 PM
From: Warren Gates   of 18263
 
The are several approaches but most Y2K projects have these objectives:

1. Avoid file expansions, not only are these added costs, they are a pain to implement as far as timing is concerned... interpretation is the preferred approach, that is program logic will treat anything with year below xx (most often 50) as belonging to the 20xx, otherwise to 19xx.
2. Date fields used are keys cannot be interpreted but needs to be expanded ... since they are used for sequencing ... some approaches would used the originial number of bytes and convert the date to a different format so it fits, to keep the proper sequencing ... most likely, the Matridigm treatment of making 4 digits into 2 falls into these ... however, a great deal of analysis have to be done here ...
3. Date fields that later become part of sort utilities could either be treated as key fields (therefore may be expanded/reformatted).
4. Programs whose date fields are only used for reports need not be converted.
5. Programs which only reformat data do not need to be converted... the date fields in the file they reference need only be interpreted at the succeeding programs when they become involved in computations/logic conditions...

Points 4 and 5 above are the reasons why I think a Y2k conversion vendor cannot really milk big money out of companies doing the conversion ... if the cost per program rises so much, companies will start letting their inhouse analysts determine whether some programs do not have to be converted. Y2k compliant doesn't mean that every date field has to be acted on. In fact, date fields will only fail if they become involved in computations and logic condition tests ... otherwise, when just used in reports, they are good enough.
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