| General DB Topics (view all ...) | Last Post | Replies |
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| HotPar '09 Call For Papers Deadline Approaching | 06 Oct 2008 19:17 GMT | - |
------------------------------------------------------------------------ Call for Papers: First USENIX Workshop on Hot Topics in Parallelism (HotPar '09) March 30–31, 2009
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| Free Database Programs | 03 Oct 2008 05:00 GMT | - |
Supports importing and exporting. Prints entire database or selected records. Self contained database. http://www.newdatabases.com/ Not impressed? Help us improve this database! Send suggestions or requests for new or custom databases and be sure to include necessary field namess ...
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| Database design question | 02 Oct 2008 09:04 GMT | 7 |
I have 2 tables, "sims" (as in mobile phone sim cards) and "phones" (as in mobile phones). I can add any number of sim cards to the "sims" table and any number of mobile phones to the "phones" table. Simple enough. Rule 1: A sim card can either be in a phone, or not in a phone. ...
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| Call for Participation: 8th IEEE International Conference on Data Mining (ICDM08) | 30 Sep 2008 08:49 GMT | - |
====================== CALL FOR PARTICIPATION ====================== The 8th IEEE International Conference on Data Mining (ICDM'08)
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| Querying tables with different aggregation levels | 25 Sep 2008 05:34 GMT | 11 |
We have been considering improving the performance of date-based queries by maintaining two tables: one that contains a row for each event, and another that aggregates events by month. We could support any user query with three table queries: one query
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| Suggestions for refactoring unusual tables | 25 Sep 2008 00:12 GMT | 7 |
I'm looking at a medium/large web application with 72 tables on a company intranet. Two of the tables are unusual; they appear to have been created to avoid having too many additional (very small) tables in the database. The rough structure of these tables is like this:
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| CFP: Information Systems 2009 – submissions until 20 October 2008 | 24 Sep 2008 13:20 GMT | - |
** Apologies for cross-postings. Please send to interested colleagues and students.** -- CALL FOR PAPERS - Submission Deadline: 20 October 2008 *************************************************************
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| Problem solving examples | 23 Sep 2008 15:16 GMT | 2 |
If you need some examples of problem solving using database technology, here are a couple examples I developed in mysql, but could be done with any recent database technology: Hexagonal puzzle solution:
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| Call for speakers for DataServices World in Silicon Valley closes September 26, 2008 | 22 Sep 2008 08:49 GMT | - |
The call for speakers for Data Services World Fall 2008 is open until September 26, 2008. Data Services World is co-located with SOAWorld, Cloud Computing Conference and Expo and Virtualization Conference in San Jose, California.
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| DB Theory (view all ...) | Last Post | Replies |
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| Why is database integrity so impopular ? | 06 Oct 2008 18:51 GMT | 6 |
When time comes to build transactional databases (as opposed to data wharehouses), I belong to the school that STRONGLY believe in normalizing data with high integrity mechanisms. I know all the performance cons but IMHO, pros largely overwhelme.
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| Simple database design question | 03 Oct 2008 04:51 GMT | 15 |
I have 2 tables, "sims" (as in mobile phone sim cards) and "phones" (as in mobile phones). I can add any number of sim cards to the "sims" table and any number of mobile phones to the "phones" table. Simple enough. Rule 1: A sim card can either be in a phone, or not in a phone. ...
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| Non-text database theory | 22 Sep 2008 21:05 GMT | 10 |
This might be off topic for this group; if so please direct me to a more appropriate group. I have 20 years of programming experience (hobby / personal scale)
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| Project Management 2.0 ! | 21 Sep 2008 01:24 GMT | - |
http://one.xthost.info/pmanagements
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| books on database implementation | 13 Sep 2008 18:16 GMT | 6 |
What are the best books on relational database implementation, and by this I do not mean how to design your database schema, but how to write an actual database, what the on disk data structures would be like, caching, how to implement transactions, etc.
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| Modeling question... | 12 Sep 2008 03:11 GMT | 16 |
Not sure if this is the right group but I've come across a problem I'm at a loss to model properly. Here's the setup: A model contains three entities ("Level"s) describing projects: - Project Family records, each referencing several
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| Replication in databases | 09 Sep 2008 05:51 GMT | 6 |
I have a fundamental doubt regarding replication in databases. If the isolation level is set to Serializable, why cant we just ship the transaction statements from the master to the backup and replay those transactions. Why do we adopt complicated solutions like log
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| sequential disk read speed | 05 Sep 2008 21:41 GMT | 21 |
I am learning about database systems, and I am reading a book called "Physical Database Design". It gets to a bit about a large sequential access (e.g. for a full table scan), and does the following:
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| primary key as subtype discriminator | 05 Sep 2008 18:08 GMT | 6 |
I have something like: TABLE A a PK TABLE B
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