DbUnit is a JUnit extension (also usable from Ant) targeted for database-driven projects that, among other things, puts your database into a known state...
162
tdancewic <tkojotd...
tdancewic
Mar 4, 2003 9:42 am
Hello! I'm a student on University of Technology in Wroclaw in Poland and i have to make a speech about EVOLUTIONARY DATABASE DESIGN. If anybody have sth....
163
katzje_98
Mar 7, 2003 7:26 pm
I have created an open source data model over the past 6 years. I am looking to find interested data modelers and developers that would like to contribute to...
164
jm04469
Mar 13, 2003 10:55 am
I checked out your page and have several thoughts: 1. Many aspects of the earlier works of Codd and Chen are not agile and therefore should not be followed....
165
Siyan Li
siyan_li
Mar 13, 2003 3:14 pm
I trust most of us still remember those pet store benchmarks put together by TheServerSide. Besides the performance, has anybody noticed how different two...
166
relvar2003
Mar 17, 2003 2:57 pm
... There seems to be a fundamental disconnect here. This was an interesting observation over thirty years ago when Codd first introduced the Relational Model...
167
Grigori Melnik
melgregca
Mar 19, 2003 3:38 pm
The submissions are still being accepted till March 28. Details at: http://www.dwm.uni-hildesheim.de/homes/schaaf/WETICE03/ Regards, Grigori...
168
katzje_98
Mar 19, 2003 6:51 pm
Thanks for the suggestions on the OPENYOTTA data model. I have added most suggestions to the "changes" page on the OPENYOTTA data model site. Most changes are...
169
darrenwhobbs
Mar 21, 2003 9:47 pm
Hi, Unashamedly blowing my own trumpet, I'd like to draw the agileDatabases crowd's attention to some thoughts I blogged today regarding agile O/R mapping, and...
170
Scott W. Ambler
scottwambler
Mar 23, 2003 7:22 pm
... From: "relvar2003" <solson@...> To: <agileDatabases@yahoogroups.com> Sent: Monday, March 17, 2003 9:56 AM Subject: Mapping was Re:...
171
Siyan Li
siyan_li
Mar 24, 2003 3:30 pm
"Scott W. Ambler" <scott.ambler@...> wrote: Yes. The original point was that many database encapsulation products (JDBC at the low end, persistence...
172
Jayanthi Venugopal
j_venugopal
Apr 11, 2003 10:54 am
Are there any distinct features that separate a Database Design that is used for web based applications vis-a-vis client server applications. Thanks Jayanthi...
173
Scott W. Ambler
scottwambler
Apr 11, 2003 11:57 am
I would say not. The real issues are: 1. How is the DB going to be used. 2. What transactions, if any, will it need to support. 3. What's the throughput, ... ...
174
Malte Finsterwalder
maltefinster...
Apr 11, 2003 12:11 pm
... Talking about Web-Applications... How long are your transactions? e.g.: You give the user the possibility to change some data. Do you start the transaction...
175
rquinn@...
bawue1234
Apr 11, 2003 12:26 pm
Yes, I would say there is one major difference. Many Web-Apps maintain SessionState in the database, often with an entity for current sessions and another,...
176
Tim Andersen
timander37
Apr 11, 2003 4:15 pm
We are in the process of developing a web application to replace our existing client server application. These changes are forced because of restricitons of a ...
177
Rich
bawue1234
Apr 11, 2003 4:29 pm
Hello, Well, this is a little off topic, but traditionally one prevents concurrent updates by holding an update lock on the row / page / table holding the...
178
Scott W. Ambler
scottwambler
Apr 11, 2003 8:41 pm
... From: "Tim Andersen" <timander37@...> To: <agileDatabases@yahoogroups.com> Sent: Friday, April 11, 2003 12:15 PM Subject: RE: [agileDatabases] DB...
179
David Waters
davidmwaters
Apr 11, 2003 10:15 pm
Hi This is known as pessimistic locking and can have some advantages over update locks, particularly for online transaction processing systems, either for thin...
180
Max Rydahl Andersen
maxcsaucdk
Apr 11, 2003 10:25 pm
You are talking about OPTIMISTIC locking instead of pessimistic locking, right ? Pessimistic locking = The database system prevents other users from accessing...
181
Bryan Hughes
bryanhughes
Apr 11, 2003 11:19 pm
Also, it is import to be aware that a PESSIMISTIC locking approach will create key-value locks on the index pages. While this is to prevent phantom rows, it...
182
David Waters
davidmwaters
Apr 12, 2003 1:59 am
Oops, too early in the morning. I most definitely meant Optimistic locking... ... sentto-7758546-175-1050077755-rquinn=web.de@... ... ...
183
Scott W. Ambler
scottwambler
Apr 12, 2003 10:42 am
... From: "Max Rydahl Andersen" <max@...> To: <agileDatabases@yahoogroups.com> Sent: Friday, April 11, 2003 6:26 PM Subject: Re: AW: [agileDatabases] DB...
184
James McGovern
entarchbook
Apr 12, 2003 12:42 pm
I am the lead author of an upcoming book on Enterprise Architecture to be published in the February timeframe. The author team is seeking interested ...
185
Jose Bonnet
jose_bonnet2002
Apr 12, 2003 9:24 pm
Hello! I'm interested... My employer is Portugal Telecom Inovacao S.A. Regards, Jose Bonnet ... From: James McGovern [mailto:jamesmcgovern@...] Sent:...
186
Dean Franks
deanfranks
Apr 12, 2003 9:41 pm
Another approach is to create a disconnected cursor object, populate the object from the original row (then close the cursor). The disconnected cursor is then...
187
Alexander Tabakov
saho_tabakov2
Apr 13, 2003 9:05 am
Hi, I have just one note on the theme of optimistic locking. Do not use timestamp, use record version instead. This is due to the granularity of the timestamp....
188
Scott W. Ambler
scottwambler
Apr 13, 2003 11:58 am
Depends on the database I suppose, but timestamps can be much more finely detailed than to the second. If you do use timestamps make sure the server sets them...
189
Bryan Hughes
bryanhughes
Apr 13, 2003 5:45 pm
Just some clarification... First, timestamps (aka datetime) have a millisecond, not second resolution (such as Informix). If you are stuck with SQL Server,...
190
Rich
bawue1234
Apr 13, 2003 8:40 pm
Hi, Indeed, SQL Server Timestamps are described as containing binary data: the latest Server time followed by a HEX number describing the current version of...
