AboutCharles Barouch Expertise I can answer a wide range of questions related to Post Relational Databases, also called MultiValue databases. I'm also well verse in Business analysis, as these databases are commonly used in business.
Here's a non-exhaustive list of databases I can answer questions on:
U2 (UniVerse, UniData), D3, AP Pro, Mentor, Ultimate, Reality, UniData, jBase, Revelation, OpenInsight, Sanyo/Icon, Fujitsu, and many more.
Experience I bring more that two decades as a programmer, analyst, trainer, presenter, and advocate for these environments. I've been the President of the international U2UG, I've spoken at OSDA, RevConf, and other conferences. I Write for International Spectrum, and I have done work in multiple countries, in countless industries.
Organizations Mensa (Editor of the Regional magazine Mphasis)
U2UG Board Member
Business Manager for the NYBG
Publications International Spectrum
Database Trends and Applications
IPUA Journal
Gateways Magazine (Multimedia)
Education/Credentials I started as an English Major, but the bulk of my education has come from real world work for companies ranging from mom-and-pop sized to massive, multinational clothing and transportation companies.
Question I am experimenting with JDBC access to multi-value data. All of the documented examples I have found for associating multi-value fields, to create virtual tables, only discuss 2-level data. I am interested in supporting at least 3-levels of data objects within an MV file.
Do you know if this can be supported?
Answer So far as I know, JDBC is limited to two levels.
However, you still have options. First off, jBase has an old interface standard, which I used to use with Delphi. Rick Wiser (formerly jBase) wrote a demo application which pulled up pictures of cars and associated them with jBase data. The software is called jBase OBjEX. Here's a link: http://www.jbase.com/knowledgebase/howto/general/windows/DelphiAndOBjEX.htm
Next, you could spend a few pennies and get mv.Net. If you do, talk to Tony Gravango at Nebula. He's a reseller and one of the sharpest tech guys on this stuff. Buying from him will get you excellent support. His address is: Tony Gravagno <TG@-RemoveThis-Nebula-RnD.com>
Or, you could pre-normalize the data to a two level and hit that version with JDBC.
You could also establish a telnet connection from your outside app and run any jBase command or program to do the rip/strip on the fly.
If you give me more details on what you are trying to do, I can give you a more targeted answer.