Re: PostgreSQL book
От | Adam Lang |
---|---|
Тема | Re: PostgreSQL book |
Дата | |
Msg-id | 016601c03399$cd36afe0$330a0a0a@6014cwpza006 обсуждение исходный текст |
Ответ на | Some advanced database features, are they present in PostgreSQL (Marc SCHAEFER <schaefer@alphanet.ch>) |
Список | pgsql-general |
Hasn't been released for print yet... you can download a PDF version of it at www.postgresql.org Adam Lang Systems Engineer Rutgers Casualty Insurance Company ----- Original Message ----- From: "Giorgio Ponza" <giorgio@opla.it> To: "Marc SCHAEFER" <schaefer@alphanet.ch>; <pgsql-general@postgresql.org> Sent: Wednesday, October 11, 2000 11:37 AM Subject: R: [GENERAL] PostgreSQL book > Marc SCHAEFER wrote that the Addison-Wesley wrote a book on PostgreSQL. > Anyone can give me the title and the author or the way to find it? Here in > italy i can't find nothing !! > Thanks > > -----Messaggio Originale----- > Da: "Marc SCHAEFER" <schaefer@alphanet.ch> > A: <pgsql-general@postgresql.org> > Data invio: Tuesday, October 10, 2000 03:51 PM > Oggetto: [GENERAL] Some advanced database features, are they present in > PostgreSQL > > > > Hi, > > > > I have been using PostgreSQL a bit and I have been surprised by the good > > quality, the features, and now the Addison-Wesley book which is excellent. > > However, I have some questions about the implementation of a few > > additional features. > > > > I suppose that PostgreSQL hasn't any ability to do the following yet: > > > > - log all transactions to a special log file, that can be used for > > backup purposes: ie you dump the database every day, but you keep > > the transaction log on a separate disk. Should the database disk > > crash, you won't have any data loss if you restore the backup and > > replay the transaction log. > > > > - hard transactions: cutting the power to a PostgreSQL server > > may cause data loss and/or data corruption. Some databases use > > sophisticated techniques to ensure serialization of operation > > through journaling, redoing some of the transactions at > > bootup time if required. > > > > - the ability to synchronize two database servers, with only the > > changes being exchanged, live. Or the ability to have many > > servers in a load-balancing or data scattering pool. > > > > - ability to have databases bigger than the host's maximum file size > > > > if this is true, can someone tell me why it hasn't been implemented yet > > (there might be very good reasons), if it will be, and if the task seems > > complicated. > > > > thank you for your time. > > > > > > > >
В списке pgsql-general по дате отправления: