Re: Date Time Functions - ANSI SQL ?
От | Peter Eisentraut |
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Тема | Re: Date Time Functions - ANSI SQL ? |
Дата | |
Msg-id | Pine.LNX.4.30.0108052336230.11071-100000@peter.localdomain обсуждение исходный текст |
Ответ на | Re: Date Time Functions - ANSI SQL ? (Gonzo Rock <GonzoRock@Excite.com>) |
Ответы |
Re: Re: Date Time Functions - ANSI SQL ?
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Список | pgsql-sql |
Gonzo Rock writes: > I'm trying to find a pgSQL source that documents the Non-Standard > pgSQL stuff, the stuff that will break when attempting to execute > against mySQL/Oracle/MSSQLServer etc... While it would be an appreciated effort to create such a document (and we already try to document standards-compliance in other places), it would be of less practical use than it might seem at first. Most SQL database packages implement all kinds of functions that are found nowhere near the SQL standard. PostgreSQL has copied a number of these and added aliases and near-aliases in a number of other cases. We don't all program in ANSI C or C++ these days either. What is portable is a bit of a matter of experience and research, modulo good code organization so you can replace the unportable parts easily. -- Peter Eisentraut peter_e@gmx.net http://funkturm.homeip.net/~peter
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