Re: [SQL] [Re: PRIMARY KEY]

2007-03-09 Thread Phillip Smith
Of course - my bad... That's the main reason I upgraded to 8.2! On Fri, 2007-03-09 at 09:03 -0600, Bruno Wolff III wrote: > On Wed, Mar 07, 2007 at 23:20:12 +1100, > Phillip Smith <[EMAIL PROTECTED]> wrote: > > If you actually need to know the value of N_GEN in your ASP application, > > you wi

Re: [SQL] index not being used. Why?

2007-03-09 Thread gherzig
Thanks all you guys. Indeed, populating the tables with 10.000 entrys make the things different, and now it uses all the indexes as i spect. It was just a matter of being pacient and loading more data to test it out and see. And, yes, i need to upgrade psql now. Actually the real server has an 8.2

Re: [SQL] index not being used. Why?

2007-03-09 Thread Scott Marlowe
On Fri, 2007-03-09 at 09:01, Gerardo Herzig wrote: > Hi all. I have this 2 relations > SNIP >Index Cond: ((upper((word)::text) ~>=~ 'TEST'::character > varying) AND (upper((word)::text) ~<~'TESU'::character varying)) >-> Hash (cost=9.08..9.08 rows=408 width=55) >

Re: [SQL] PostgreSQL to Oracle

2007-03-09 Thread Ezequias Rodrigues da Rocha
Thank you Jonah, That isn't a decision taken but I will need to argue with the new team of my new company. I can't see why but I will see how the things occurs. Thank you again Ezequias 2007/3/9, Jonah H. Harris <[EMAIL PROTECTED]>: On 3/9/07, Ezequias Rodrigues da Rocha <[EMAIL PROTECTED]> wr

Re: [SQL] Running in single instance mode

2007-03-09 Thread Rodrigo De León
On 3/9/07, Karthikeyan Sundaram <[EMAIL PROTECTED]> wrote: Hi Everybody, We are using postgres 8.1.0. I want to do some maintenance work. Hence, I want to run postgres in single user mode so that external people won't be able to access the database. How can I run the postgres in singl

Re: [SQL] PostgreSQL to Oracle

2007-03-09 Thread Jonah H. Harris
On 3/9/07, Ezequias Rodrigues da Rocha <[EMAIL PROTECTED]> wrote: Is it a simple action to convert a database from PostgreSQL to Oracle ? Yes, relatively. Has someone any idea ? There's a couple ways to do this, but I'd recommend first using pg_dump to export schema only. Your functions an

Re: [SQL] Statistics

2007-03-09 Thread Ezequias Rodrigues da Rocha
Thank you all. Those are quite important questions to considerate. About the late time of requisitions. I allways have replyes becouse 3:00 am in brazil does not means 3:00 in many other countries. I experiment it in other free communities too. My Brat Regards Ezequias 2007/3/9, Frank Bax <[EMA

Re: [SQL] PostgreSQL to Oracle

2007-03-09 Thread Frank Bax
At 12:54 PM 3/9/07, Ezequias Rodrigues da Rocha wrote: Is it a simple action to convert a database from PostgreSQL to Oracle ? I mean a simple database with 33 tables 8 functions 31 sequencies 2 triggers 1 type 3 views Has someone any idea ? Depends on what's actually in the above objects;

[SQL] Running in single instance mode

2007-03-09 Thread Karthikeyan Sundaram
Hi Everybody, We are using postgres 8.1.0. I want to do some maintenance work. Hence, I want to run postgres in single user mode so that external people won't be able to access the database. How can I run the postgres in single user mode?. Any idea? Regards skarthi

Re: [SQL] Statistics

2007-03-09 Thread Frank Bax
At 12:22 PM 3/9/07, Ezequias Rodrigues da Rocha wrote: Does someone have statistcs from PostgreSQL ? Numbers from the list, performance statistics. I must argue with another person the idea of do not put Oracle in our organization. Performance should not be the *only* consideration when compa

[SQL] PostgreSQL to Oracle

2007-03-09 Thread Ezequias Rodrigues da Rocha
Hi list, Is it a simple action to convert a database from PostgreSQL to Oracle ? I mean a simple database with 33 tables 8 functions 31 sequencies 2 triggers 1 type 3 views Has someone any idea ? -- Ezequias Rodrigues da Rocha http://ezequiasrocha.blogspot.com/ use Mozilla Firefox:http://br.m

Re: [SQL] SHA-1 vs MD5

2007-03-09 Thread Ezequias Rodrigues da Rocha
You are correct SH1 is supported. So I get the output size from 128 to 160 ok ? I saw at wikipedia. What does "With flaws" colisions means ? Does it means some ? in MD5 the put only "yes" Regards Ezequias 2007/3/9, Chad Wagner <[EMAIL PROTECTED]>: On 3/9/07, Ezequias Rodrigues da Rocha <[EMA

Re: [SQL] SHA-1 vs MD5

2007-03-09 Thread Chad Wagner
On 3/9/07, Ezequias Rodrigues da Rocha <[EMAIL PROTECTED]> wrote: You are correct. My pg (8.1.3) Now what I do to remove it ? Just delete the functions ? There is usually an uninstall_pgcrypto.sql script you can run against the database. But 8.1 probably supports at least sha1, or you can

Re: [SQL] Statistics

2007-03-09 Thread Joe
On Fri, 2007-03-09 at 14:22 -0300, Ezequias Rodrigues da Rocha wrote: > Does someone have statistcs from PostgreSQL ? Numbers from the list, > performance statistics. I must argue with another person the idea of > do not put Oracle in our organization. > > We are quite well with postgresql and I h

Re: [SQL] SHA-1 vs MD5

2007-03-09 Thread Ezequias Rodrigues da Rocha
You are correct. My pg (8.1.3) Now what I do to remove it ? Just delete the functions ? Ezequias 2007/3/9, Chad Wagner <[EMAIL PROTECTED]>: On 3/9/07, Ezequias Rodrigues da Rocha <[EMAIL PROTECTED]> wrote: > > Thank you so much for your information. I installed the pgCrypto. Now I > have mor

[SQL] Statistics

2007-03-09 Thread Ezequias Rodrigues da Rocha
Hi list, Does someone have statistcs from PostgreSQL ? Numbers from the list, performance statistics. I must argue with another person the idea of do not put Oracle in our organization. We are quite well with postgresql and I have no plans to change my plataform. Regards -- Ezequias Rodrigues

Re: [SQL] index not being used. Why?

2007-03-09 Thread Gerardo Herzig
Someday i will ask some question that will makes you think a little more. You'll see. I will populate the tables and redo the explain. Thanks dudes!! Gerardo Gerardo Herzig <[EMAIL PROTECTED]> writes: Watch the last row of the explain command. It makes a sequential scan on the pages table,

Re: [SQL] A form of inheritance with PostgreSQL

2007-03-09 Thread Steve Midgley
Hi Greg, While not in a C++ framework, you might find that it's not too hard to implement something similar in your system - It's called "Single Table Inheritance." References to the Ruby on Rails implementation here: http://wiki.rubyonrails.org/rails/pages/SingleTableInheritance It's based

Re: [SQL] index not being used. Why?

2007-03-09 Thread Tom Lane
Gerardo Herzig <[EMAIL PROTECTED]> writes: > Watch the last row of the explain command. It makes a sequential scan on the > pages table, like it is not using the index on the "id" field. > The result itself is OK, but i will populate the tables so i think that later > that sequential scan would b

Re: [SQL] index not being used. Why?

2007-03-09 Thread Andrew Sullivan
On Fri, Mar 09, 2007 at 12:01:30PM -0300, Gerardo Herzig wrote: > Hi all. I have this 2 relations How big are they? > -> Hash (cost=9.08..9.08 rows=408 width=55) > -> Seq Scan on pages (cost=0.00..9.08 rows=408 width=55) The planner thinks it will get 408 rows. How big a percentag

Re: [SQL] index not being used. Why?

2007-03-09 Thread Richard Huxton
Gerardo Herzig wrote: -> Seq Scan on pages (cost=0.00..9.08 rows=408 width=55) Watch the last row of the explain command. It makes a sequential scan on the pages table, like it is not using the index on the "id" field. You only have 408 rows in the table - it's probably not worth t

Re: [SQL] [Re: PRIMARY KEY]

2007-03-09 Thread Bruno Wolff III
On Wed, Mar 07, 2007 at 23:20:12 +1100, Phillip Smith <[EMAIL PROTECTED]> wrote: > If you actually need to know the value of N_GEN in your ASP application, > you will need to query the database first and select the NEXTVAL from > the sequence that the "serial" data type will create, then use that

Re: [SQL] View Vs. Table

2007-03-09 Thread Bruno Wolff III
On Tue, Mar 06, 2007 at 09:32:19 -0500, Radhika Sambamurti <[EMAIL PROTECTED]> wrote: > > From the application's perspective the View is much better as data is > being stored in one place, reducing errors and also storage. > But from the db point of view, is there a bigger performace hit when I

[SQL] index not being used. Why?

2007-03-09 Thread Gerardo Herzig
Hi all. I have this 2 relations gse=# \d pages Table "public.pages" Column| Type| Modifiers -+---+ id

Re: [SQL] CREATE TABLE

2007-03-09 Thread Bart Degryse
Because being consistent is easily overlooked I would advise not to quote the table names Instead of calling your table thisTableIsBig call it this_table_is_big >>> Andrew Sullivan <[EMAIL PROTECTED]> 2007-03-09 15:21 >>> On Fri, Mar 09, 2007 at 02:56:06PM +0100, Shavonne Marietta Wijesinghe wr

Re: Fw: [SQL] CREATE TABLE

2007-03-09 Thread Andrew Sullivan
On Fri, Mar 09, 2007 at 03:15:54PM +0100, Shavonne Marietta Wijesinghe wrote: > The problem i'm having is i can't pass them in the strSQL string. coz when > i write " i close the string :\ You likely need to escape the double-quotes. How you do it in your environment is a topic for the manuals f

Re: [SQL] CREATE TABLE

2007-03-09 Thread Andrew Sullivan
On Fri, Mar 09, 2007 at 02:56:06PM +0100, Shavonne Marietta Wijesinghe wrote: > > But the problem i have is that when i go and open my database in > pgadmin the table name and coloumn name is written in lowercase :( Unquoted identifiers in PostgreSQL are folded to lower case. This is contrary to

Re: [SQL] CREATE TABLE

2007-03-09 Thread Milen A. Radev
Shavonne Marietta Wijesinghe wrote: > Hello > > From my asp page i create a table > > TableName = "CON01" > strSQL = "CREATE TABLE " & TableName & " ( ID text, N_GEN serial not > null);" > > But the problem i have is that when i go and open my database in pgadmin the > table name and colou

Fw: [SQL] CREATE TABLE

2007-03-09 Thread Shavonne Marietta Wijesinghe
false alarm.. sorry i just forgot about the """ Thanks Shavonne Wijesinghe http://www.studioform.it Le informazioni contenute nella presente comunicazione e i relativi allegati possono essere riservate e sono, comunque destinate esclusivamente alle persone o alla Società sopra indicati. La d

Fw: [SQL] CREATE TABLE

2007-03-09 Thread Shavonne Marietta Wijesinghe
The problem i'm having is i can't pass them in the strSQL string. coz when i write " i close the string :\ Shavonne Wijesinghe http://www.studioform.it Le informazioni contenute nella presente comunicazione e i relativi allegati possono essere riservate e sono, comunque destinate esclusivame

Re: [SQL] CREATE TABLE

2007-03-09 Thread Rodrigo De León
On 3/9/07, Shavonne Marietta Wijesinghe <[EMAIL PROTECTED]> wrote: Hello From my asp page i create a table TableName = "CON01" strSQL = "CREATE TABLE " & TableName & " ( ID text, N_GEN serial not null);" But the problem i have is that when i go and open my database in pgadmin the table nam

[SQL] CREATE TABLE

2007-03-09 Thread Shavonne Marietta Wijesinghe
Hello >From my asp page i create a table TableName = "CON01" strSQL = "CREATE TABLE " & TableName & " ( ID text, N_GEN serial not null);" But the problem i have is that when i go and open my database in pgadmin the table name and coloumn name is written in lowercase :( How do i ask it to

Re: [SQL] SHA-1 vs MD5

2007-03-09 Thread Chad Wagner
On 3/9/07, Ezequias Rodrigues da Rocha <[EMAIL PROTECTED]> wrote: Thank you so much for your information. I installed the pgCrypto. Now I have more than 40 functions (i believe all are from pgcrypto) but when I try to run your query: select encode(digest('blahblah', 'sha256'), 'hex'); I got th

Re: [SQL] Table inherit & foreign key problem

2007-03-09 Thread Richard Huxton
Moritz Kobel wrote: i would like to reference to the element table, because i have some tables which inherit from element and i would like to add comments to these elements. is this impossible or did i do a silly mistake? i did not find a solution unsing google. Foreign-key limitations with in

Re: [SQL] SHA-1 vs MD5

2007-03-09 Thread Ezequias Rodrigues da Rocha
Thank you so much for your information. I installed the pgCrypto. Now I have more than 40 functions (i believe all are from pgcrypto) but when I try to run your query: select encode(digest('blahblah', 'sha256'), 'hex'); I got the error: ERROR: Cannot use "sha256": No such hash algorithm SQL sta

[SQL] Table inherit & foreign key problem

2007-03-09 Thread Moritz Kobel
Hi all, i have problems with tables an foreign keys. i created the following tables: (i did not copy all the command, only the important (in my point of view) CREATE TABLE element ( id bigint NOT NULL, site_id bigint, type_id bigint NOT NULL, name character varying(512), des

Re: [SQL] Creating views

2007-03-09 Thread Richard Huxton
Kashmira Patel (kupatel) wrote: Hi all, Is it possible to create views that take parameters? Basically, I have to create some very complex historical reports, and as of now I am using temporary tables to store intermediate query results. I calculate values based on the content of these temporary

Re: [SQL] A form of inheritance with PostgreSQL

2007-03-09 Thread Bart Degryse
Just a little example of what I've been using on version 8.0.3 with total satisfaction. CREATE TABLE "public"."tblMovementDetails" ( "ID" INTEGER NOT NULL, "PlanningDetailID" INTEGER NOT NULL, "MovementID" INTEGER NOT NULL, "UserID" VARCHAR(5) NOT NULL, "Number" INTEGER DEFAULT 0 NOT N