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Nested Sets and a typical Extranet Example I'm developing an extranet which will contain multiple groups. I would like the ability to have groups within groups...Let me start by saying that... rivers	09-22-2003 06:11 PM Kenny Yu	8	103
Conflicts in Relationships ( 1 2 ) I'm looking for a loose algorithm, not code but is there a way in a query building scenario to determine if relationships in a SQL FROM clause are in... bill_dev	09-22-2003 05:42 AM Jan Hidders	12	140
Multimedia Project - using MS database Hi All, You may be interested in my Head Injuries Project, which I doing as part of my MSc project at the University of Gloucestershire and would... Eric	09-22-2003 01:54 AM Eric	0	84
Multimedia Project Hi All, You may be interested in my Head Injuries Project, which I doing as part of my MSc project at the University of Gloucestershire and would... Eric	09-22-2003 01:53 AM Eric	0	93
Sql to Relational Algebra Hello, I'm contemplating writing an Sql parser, more so for my own personal education, and am wondering if anyone has had any experience that they... Danny deSousa	09-22-2003 12:36 AM Joseph,,,	7	130
Plural or singular table names ( 1 2 3 4 5 ... Last Page) Well my company is going through its processes of writing company standards documents and we are at the age old question: "Should table names be in... Ray Cassick \(home\)	09-20-2003 02:17 PM Marshall Spight	73	395
Advanced(?) query question ( 1 2 ) I'm not sure I've come to the right place, so any help would be most appreciated. In two tables, cities and countries, the first references the... Anders Steinlein	09-19-2003 02:39 PM Bob Badour	11	140
indexed full text search Hi, for my content management system I have to realize an indexed full text search to search through articles. The sql-code must be generic, so... Christian Hanser	09-17-2003 07:25 AM Christian Hanser	0	81
Yet another tree labeling We label each tree node with a single positive integer number. This labeling is closely related to binary rational interval labeling defined in... Vadim Tropashko	09-16-2003 12:39 PM Vadim Tropashko	2	101
Re: Ordered result set with path enumeration Dieter Nöth <dnoeth (AT) gmx (DOT) de> wrote (abridged) If you know transitive closure, then you can answer the following mini-questions: 1. Is B... Vadim Tropashko	09-16-2003 12:00 PM Vadim Tropashko	7	87
BSIT Student I am just starting my first college course in database design and I would like to find some good reference links for the database structures,... iceman1	09-16-2003 09:48 AM Alan	1	122
Tropashko nested sets and materialized path - great idea but how do I insert? I'm sure this has been answered many times before, unfortunately my news server only has the last 300 or so messages from this group. I have... Robin Tucker	09-15-2003 09:28 AM Robin Tucker	6	103
Insert in DB2 many-to-many table Hi all !! I have this question: I have an t_account table with acc_id (identity type) as PK I have another table t_customer with cust_id... chunks	09-13-2003 07:24 PM --CELKO--	1	95
foreign key to the same table? Hi to all...i've a problem...would anyone help me? I've a table called COURSES, where there are some universitary courses. I've a table called... Marco	09-13-2003 05:24 AM Leandro Guimarães Faria Corsetti Dutra	3	100
relational algebra question Howdi, I'm not asking for the answer - but a gentle nudge in the right direction I've been asked to write a Relational Algebra Expression to get... riley	09-10-2003 11:02 PM Bob Badour	4	103
Checkpoint Vs Savepoints Is there any difference between the terms checkpoint and savepoint? Thanks, Tanu tmalik@cs.jhu.edu	09-09-2003 09:14 PM Daniel Guntermann	2	100
bag intersection definition The "standard" definition when {1,1,1} intersect {1,1} = {1,1} is just plain naive. Given that intersection = projection * equality selection *... Mikito Harakiri	09-09-2003 05:33 PM Mikito Harakiri	2	91
Relational Calculus Operators. TRC and DRC in details please I cant find the meanings of different Relational Calnulus operators used in TRC and DRC too. Cant understand the utility of Rel. Calculus at... sibun	09-09-2003 05:18 PM Jan Hidders	2	94
type of result column after heterogeneous join Hi all, Suppose there exists a relational database that supports a type system that includes union types. (For example, (int\|string), "an int or a... Marshall Spight	09-09-2003 04:40 PM Jan Hidders	3	63
Security vs. Database design? Hey folks -- At my workplace, we are designing a (hopefully) secure website/database for our suppliers, customers, salespeople, and office to... Steve Lefevre	09-08-2003 05:05 PM Steve Lefevre	0	81
does a table always need a PK? ( 1 2 3 4 5 ... Last Page) On Sat, 30 Aug 2003 11:59:22 -0700, Alfredo Novoa wrote: I gather they dropped them as 'a bundling together of commands separate in time'; instead... etp	09-08-2003 03:04 PM Mikito Harakiri	156	1,198
how to set composite key as foreign key? hi freinds, i want to set any composite primary key in given table as foreigen key by sql query not by enterprise manager. suppose i have... rupali007	09-08-2003 12:35 PM Anith Sen	3	121
[ANNOUNCE] e4Graph 1.0a9 I am pleased to announce the 1.0a9 release of e4Graph, the ninth Alpha release. WHAT IS IT: e4Graph is a C++ library that allows programs to store... Jacob Levy	09-08-2003 01:03 AM Jacob Levy	0	75
[ANNOUNCE] e4Graph 1.0a9 I am pleased to announce the 1.0a9 release of e4Graph, the ninth Alpha release. WHAT IS IT: e4Graph is a C++ library that allows programs to store... Jacob Levy	09-08-2003 01:03 AM Jacob Levy	0	79
Re: Primary Keys and Foreign Keys Originally posted by David hi david, basically foreign key are used for referencing other table.for that rupali007	09-07-2003 02:07 AM rupali007	0	94
Re: er-diagram hi, i am checking up ur ER diagram in the car maintainence. u have given that there is an attachment and there is nothing. so can i see the... helango	09-06-2003 08:50 AM Leandro Guimarães Faria Corsetti Dutra	1	125
XML standard for SQL DDL "pharaohh" <member34839 (AT) dbforums (DOT) com> wrote I think it is a vapourware announcement for yet another tool to translate xsd to ddl. Philipp	09-05-2003 10:01 PM pharaohh	3	148
Is mysql a RDBMS ? ( 1 2 3 4 5 ... Last Page) "Bob Badour" <bbadour (AT) golden (DOT) net> wrote I would say that it was assumed difficult when System R was built. Oracle had to copy the IBM... Morten Gulbrandsen	09-05-2003 07:02 PM Leandro Guimarães Faria Corsetti Dutra	68	672
Compound PK or ? Hi group, First, is there any general consensus about whether or not compound primary keys are good or bad and in which situations? Second, if I... Kenny-Z	09-05-2003 04:12 PM --CELKO--	3	143
E-R model and normalisation “Cars may be uniquely identified by their registration number. Other data of interest concerning our cars includes: year of manufacture,... vimalraj	09-05-2003 12:39 PM Alan	3	148
Final CFP: XML Database Symposium (XSym03) @ VLDB 2003 ( 1 2 ) On Thu, 28 Aug 2003 22:27:16 +0000, Jan Hidders wrote: Studying isn't necessarily sane. -- _ Leandro GuimarÃ£es Faria Corsetti Dutra +41... akmal @ deja	09-03-2003 07:26 PM Leandro Guimarães Faria Corsetti Dutra	12	154
Re: Relational algebra grammar? Amund Trovåg <st08661 (AT) rasmus (DOT) uib.no> wrote You can find a grammar for Tutorial D at the following URL; although, it's not quite you... Bob Badour	09-03-2003 07:15 PM Leandro Guimarães Faria Corsetti Dutra	1	118
Missing Information & Empty Sets. I have been doing a bit of thinking about the Missing Information problem in both SQL and TRDBM systems and would like some feedback in relation... byrmol	09-02-2003 09:21 PM Bob Badour	3	96
Query to combine two 'many:one' tables Try a GO between the INSERTS and the CREATE FUNCTION, that´ll work. HTH, Jens Süßmeyer. Jon Maz	09-01-2003 07:43 AM Jon Maz	8	100
Tutorial on Database design: where ??? Dear Friends, anyone knows where can i find any tutorial (downloadable) on Database design ??? Thanks in advance Stefano Stefano	09-01-2003 04:25 AM Michael Gast	3	88
Re: mini database - educational project Jan Hidders <jan.hidders (AT) pandora (DOT) be> wrote And also the TransRelational Model appendix of the 8th edition. Regards Alfredo Mikito Harakiri	08-30-2003 03:43 PM Alfredo Novoa	6	92
Is LEAP relational? On Wed, 27 Aug 2003 05:54:55 -0700, Tony Douglas wrote: So I will keep it... Leandro Guimarães Faria Corsetti Dutra	08-27-2003 09:09 AM Leandro Guimarães Faria Corsetti Dutra	1	101
print records I have a table that contains data such as name, phone, address, email, date, etc.. I need to print the records from this table to a pre- fabricated... neyurt	08-27-2003 08:21 AM Leandro Guimarães Faria Corsetti Dutra	1	120
SQL help requested - "linked list" ( 1 2 ) "Mia" <nospam (AT) cox (DOT) net> wrote Exactly which ID's did you want again? If you don't care about order, you obviously can not care about the... Mia	08-25-2003 05:30 PM Bob Badour	11	181
Dynamic schema. Urgent question! I have another question. I need to develop an applicatio to manage a db structure. A client's tecnician want that the db have a dynamic schema,... alex	08-25-2003 10:39 AM Mike Sherrill	3	96
Re: new file system gnu gpl "german" <german (AT) tecnoxarxa (DOT) com> wrote Hi Germán, I certainly find the idea of a relational file system interesting. Unfortunately, I... Bob Badour	08-24-2003 05:21 PM Leandro Guimarães Faria Corsetti Dutra	4	104
database design question I have this site with Open Source Software for Windows: http://users.pandora.be/vandewoestyne/html/open_source_windows.html I would like to convert... Bart Vandewoestyne	08-23-2003 12:27 PM Leandro Guimarães Faria Corsetti Dutra	4	120
Does a Nested Sets tree require a single root node? It seems to me that a nested sets tree must have a single root node. Is this true? I am converting an Adjacency List hierarchy to Nested Sets. In... Cathead	08-22-2003 05:17 PM --CELKO--	1	80
Hierarchy/Many to Many/Temporal data - MIND BENDER ( 1 2 ) In that case, I suggest you post your question in: comp.databases.queries "me" <XDXaXrXcXyX (AT) XSXiXtXeXwXaXrXeX (DOT) XcXoXmX> wrote me	08-22-2003 03:31 PM Bob Badour	10	144
Survey with many columns My colleague is working on a project which should store data from a long survey. His single table now has many, many columns (labelled "a_1_1" and so... Philipp Lenssen	08-22-2003 12:38 PM askot@ut.ee	3	86
Urgent help please Candy is not included before she is a child of Alan. I only want to include the top level parent. Alan	08-22-2003 02:09 AM Lennart Jonsson	3	86
DB Design problem!! Hallo i have a design problem I must to create a db structure that manage questionaries. Every questionary have a variable number of attributes.... alex	08-21-2003 10:29 AM alex	0	117
ERD for time-based relationships But if you use '9999-12-31 23:59:59.99999' (this is ISO-8601 format and the only one allowed in Standard SQL), then all your temporal math gets... Jay	08-20-2003 05:05 PM --CELKO--	2	77
[Newby] How many tables here ? Hello All, I have some code (an old sci application) reading an ASCII table (sic!) with something like (the line is the record) Height\Temperature ... Gio	08-20-2003 03:20 PM Gio	0	87
CFP: XML Database Symposium (XSym03) @ VLDB 2003 Call for Participation: Monday, 8 September 2003 (prior to VLDB 2003), Humboldt-University Berlin (main building). Invited Talk will be given by... Akmal B. Chaudhri	08-20-2003 04:43 AM Akmal B. Chaudhri	0	98

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