[SQL] newbie question

suggestions to start.. then I can go on by myself!! thank you very much Ivan -- Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugia (Italy) e-mail: [EMAIL PROTECTED] [EMAIL PROTECTED] tel: +39(0)755853760 fax: +39(0

Re: [SQL] newbie question

Thanks to all... another question... is it possible to copy a table to a view and then back the view to a table??? thank you very much... ivan Il giorno ven, 03/03/2006 alle 11.51 +0100, Andreas Kretschmer ha scritto: > ivan marchesini <[EMAIL PROTECTED]> schrieb: > > >

[SQL] COPY tablename FROM and null values

I try to use COPY tablename FROM 'filename.txt' I obtain an error I have tried also using " WITH NULL AS ' ' " but without good results... can someone explain me how to solve this problem??? thank you very much Ivan -- Ivan Marchesini Department of Civil and E

[SQL] how to solve this problem

result??? thank you very much Ivan -- Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugia (Italy) e-mail: [EMAIL PROTECTED] [EMAIL PROTECTED] tel: +39(0)755853760 fax: +39(0)755853756 jabber: [EMAIL PROTECTED

Re: [SQL] how to solve this problem

resentation of an > integer? > > Regards, > > Richard > > --- ivan marchesini <[EMAIL PROTECTED]> wrote: > > > Dear users, > > I have this problem > > > > I have a table where there are 20 columns named > > vinc1, vinc2, vinc3, vinc4

Re: [SQL] how to solve this problem

tation mentioned elsewhere, the idea is that > you can view vinc1-vinc20 as bits in a binary number equal to vinc1 + > 2*vinc2 + 4*vinc3 + 8*vinc4...2^19*vinc20. Whether or not this is useful > depends on what you are trying to do. > > Cheers, > Steve > -- I

[SQL] simple problem???

2 3|23 How can I do for plotting also the value of B??? Thank you very much Ivan -- Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugia (Italy) e-mail: [EMAIL PROTECTED] [EMAIL PROTECTED] tel: +39(0)755853760

[SQL] 2 tables or two db?

Dear postgres users, Suppose I have two tables of data. suppose the two table are really similar in dimensions suppose they will receive the same number and type of queries. in tems of performance (velocity of answer) it is better to place the two tables in the same db or into two different db

[SQL] .psql_history": No such file

Dear users, I have installed a postgres db using a datadir different from /var/lib/pgsql/.psql_history. then: su postgres psql postgres All went fine but when I exit from psql from a db I obtain: ___ could not save history to file "/var/lib/pgsql/.psql_history": No such file or direct

Re: [SQL] .psql_history": No such file

juin 2009 à 17:53:15, ivan marchesini a écrit : > >> [...] > >> I have installed a postgres db using a datadir different > >> from /var/lib/pgsql/.psql_history. > >> > >> then: > >>su postgres > >>psql postgres > >> >

[SQL] could not connect to server

cket is working well!!! can you suggest me some ideas for solving this problem??? thank you Ivan -- Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugia (Italy) e-mail: [EMAIL PROTECTED] [EMAIL PROTECTED] tel: +39(0)

Re: [SQL] could not connect to server

me some ideas for solving this problem??? > > thank you > > Ivan > > Take a look in you ph_hba.conf - file and edit this properly. You need > an entry for the other host. > > http://www.postgresql.org/docs/current/static/client-authentication.html > > >

[SQL] drop a check

s... Ivan -- Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugia (Italy) e-mail: [EMAIL PROTECTED] [EMAIL PROTECTED] tel: +39(0)755853760 fax: +39(0)755853756 jabber: [EMAIL PROTECTED] ---(end of

Re: [SQL] drop a check

..) however it sounds strange! thanks!!! Ivan On lun, 2006-11-13 at 19:41 +0200, Volkan YAZICI wrote: > On Nov 13 05:32, ivan marchesini wrote: > > I have created a check constraint without giving it a name.. > > now I have a check named "$25" in my table that I need t

Re: [SQL] drop a check

. or it depend on the fact I'm using postgres 7.4.13 many thanks... Ivan On lun, 2006-11-13 at 19:41 +0200, Volkan YAZICI wrote: > On Nov 13 05:32, ivan marchesini wrote: > > I have created a check constraint without giving it a name.. > > now I have a check named &q

[SQL] join a lot of columns of two tables

- Ti prego di cercare di non inviarmi files .doc, .xls, .ppt, .dwg. Preferisco formati liberi. Please try to avoid to send me .doc, .xls, .ppt, .dwg files. I prefer free formats. http://it.wikipedia.org/wiki/Formato_aperto http://en.wikipedia.org/wiki/Open_format Ivan Marchesini Department of Civi

[SQL] insert a sequence

ri. Please try to avoid to send me .doc, .xls, .ppt, .dwg files. I prefer free formats. http://it.wikipedia.org/wiki/Formato_aperto http://en.wikipedia.org/wiki/Open_format Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugia (Ita

[SQL] date problems

g files. I prefer free formats. http://it.wikipedia.org/wiki/Formato_aperto http://en.wikipedia.org/wiki/Open_format Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugia (Italy) e-mail: [EMAIL PROTECTED] [EMAIL PROTECTED]

[SQL] foreign key problem

iberi. Please try to avoid to send me .doc, .xls, .ppt, .dwg files. I prefer free formats. http://it.wikipedia.org/wiki/Formato_aperto http://en.wikipedia.org/wiki/Open_format Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugi

[SQL] store pdf files

ercare di non inviarmi files .dwg, .doc, .xls, .ppt. Preferisco formati liberi. Please try to avoid to send me .dwg, .doc, .xls, .ppt files. I prefer free formats. http://it.wikipedia.org/wiki/Formato_aperto http://en.wikipedia.org/wiki/Open_format Ivan Marchesini Department of Civil and Environmenta