BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Excited about Delphi again Goto page 1, 2  Next          BorlandTalk.com Forum Index -> Delphi Non-Technical View previous topic :: View next topic   Author Message Dennis Landi Guest Posted: Wed Sep 17, 2003 2:29 pm    Post subject: Excited about Delphi again Well, its been a rocky 12 months for me as I have been struggling to justify further investment and development in my beloved Delphi. I am still not happy about the absence of any commitment to a native 64-bit compiler, but committment from likes of the RemObjects guys and Chad Hower, Kim Madsen and Ozz Nixon to Delphi for .NET and Kylix has caused me to consider long and hard before jumping ship. I at least intended to wait for Delphi 8 and see for myself what I could do with DfN. Nevertheless, I was definitely on the fence, and have already added JBuilder to my toolset. (check out JDatastore!) But there is a new development! NexusDB has just been released. I stumbled across it in my recent noodling around for queryable in-memory dataset just a few days before the announcement. http://www.nexusdb.com/ I have always wanted a fully extendable, high performance, fully-fledged DB server completely written in Delphi with full source that can also act as an embedded DB server. Its finally here. The uses that I have for something like NexusDB are myriad and it gets me excited! Its architecture is state of the art from what I can see from the copious design notes in their manual and website. Suddenly the prospect of a "fully Managed" NexusDB for .NET (as well as Kylix) makes my mouth water. Just a head's up to the Delphi Faithful. Delphi Lives! (IMHO) -dennis landi -- Let me tell you the truth. The truth is: What Is. -Lenny Bruce Back to top Captain Jake Guest Posted: Wed Sep 17, 2003 2:44 pm    Post subject: RE: Excited about Delphi again In borland.public.delphi.non-technical, Dennis Landi <> wrote in message <3f687005$2 (AT) newsgroups (DOT) borland.com>... Quote: But there is a new development! NexusDB has just been released. I stumbled across it in my recent noodling around for queryable in-memory dataset just a few days before the announcement. http://www.nexusdb.com/ But it is EXPENSIVE! Back to top Dennis Landi Guest Posted: Wed Sep 17, 2003 3:03 pm    Post subject: Re: Excited about Delphi again "Captain Jake" <johnj[nospam]@comcast.net> wrote Quote: In borland.public.delphi.non-technical, Dennis Landi <> wrote in message 3f687005$2 (AT) newsgroups (DOT) borland.com>... But there is a new development! NexusDB has just been released. I stumbled across it in my recent noodling around for queryable in-memory dataset just a few days before the announcement. http://www.nexusdb.com/ But it is EXPENSIVE! What is? NexusDB for 600 bucks? For everything that it is? Full source and royalty free? To say that is expensive is truly absurd. Compare that price to MS Sql Server or Oracle which doesn't give you *any* of the flexibility and power of being able to EXTEND THE ACTUAL SERVER IN DELPHI to your heart's content. IMO, it is priced to fly off the virtual shelves. And just think, future upgrades will probably be *half* that price. If you are priced out of the market already then you and I live in very different world's with different needs and agendas. Back to top Captain Jake Guest Posted: Wed Sep 17, 2003 3:15 pm    Post subject: Re: Excited about Delphi again In borland.public.delphi.non-technical, Dennis Landi <> wrote in message <3f6877ee$1 (AT) newsgroups (DOT) borland.com>... Quote: What is? NexusDB for 600 bucks? For everything that it is? Full source and royalty free? To say that is expensive is truly absurd. Compare that price to MS Sql Server or Oracle which doesn't give you *any* of the flexibility and power of being able to EXTEND THE ACTUAL SERVER IN DELPHI to your heart's content. IMO, it is priced to fly off the virtual shelves. And just think, future upgrades will probably be *half* that price. If you are priced out of the market already then you and I live in very different world's with different needs and agendas. I am probably priced out of that market by the fact that if I spend $300 on anything other the software to create the help files and manuals for my newsreader my wife will kill me. Also by the fact that I would be replacing current functionality, not adding new functionality. Back to top Eric Grange Guest Posted: Wed Sep 17, 2003 3:53 pm    Post subject: Re: Excited about Delphi again Quote: [...] MS Sql Server or Oracle which doesn't give you *any* of the flexibility and power of being able to EXTEND THE ACTUAL SERVER IN DELPHI to your heart's content. [...] But if you don't have the time to write-your-own-db-server, it also hardly compares to MS SQL or ORACLE (full SQL support isn't quite there, try using strings in the SQL f.i., performing insert from select, etc.). Not to mean NexusDB is bad, but as Captain Jake probably meant, there is some strong open-source and free competition, that can also be embedded, like FireBird, and that can be extended in Delphi (via DLLs). Eric Back to top Dennis Landi Guest Posted: Wed Sep 17, 2003 3:54 pm    Post subject: Re: Excited about Delphi again "Eric Grange" <egrange (AT) glscene (DOT) org> wrote Quote: [...] MS Sql Server or Oracle which doesn't give you *any* of the flexibility and power of being able to EXTEND THE ACTUAL SERVER IN DELPHI to your heart's content. [...] But if you don't have the time to write-your-own-db-server, it also hardly I *don't* have to write my own DB Server, just the native delphi plug-ins I wish into what looks like a highly modular, excellently designed architecture. Now... I can't wait to actually do it. This is a totally different agenda, to championing another DB server written in another language, regardless of high well it works or your degree of fondness... My type of agenda has nothing to do with universal access via ODBC etc. etc. I am after true turn-key proprietary development for some of my projects and this seems to fit the bill. I take it that you have found some functional flaws with NexusDB? Ok. Since its completely written in Delphi, I already have a much higher degree of confidence in helping to identify just exactly what the flaw is and how to help to fix it.... Yeah, you can do that when the DB Server is native Delphi! Back to top Captain Jake Guest Posted: Wed Sep 17, 2003 4:02 pm    Post subject: Re: Excited about Delphi again In borland.public.delphi.non-technical, Eric Grange <egrange (AT) glscene (DOT) org> wrote in message <3F68836C.44C62184 (AT) glscene (DOT) org>... Quote: Not to mean NexusDB is bad, but as Captain Jake probably meant, there is some strong open-source and free competition, that can also be embedded, like FireBird, and that can be extended in Delphi (via DLLs). That is also true, but I was thinking in terms relative to existing implementation of Flashfiler 2.13. Back to top Alessandro Federici Guest Posted: Wed Sep 17, 2003 4:03 pm    Post subject: Re: Excited about Delphi again "Captain Jake" <johnj[nospam]@comcast.net> wrote Quote: But it is EXPENSIVE! It's worth every single penny Jake. -- Best regards, Alessandro Federici RemObjects Software, Inc. http://www.remobjects.com Back to top Captain Jake Guest Posted: Wed Sep 17, 2003 4:05 pm    Post subject: Re: Excited about Delphi again In borland.public.delphi.non-technical, Alessandro Federici <nomore (AT) spam (DOT) forme> wrote in message <3f6884ca (AT) newsgroups (DOT) borland.com>... Quote: "Captain Jake" <johnj[nospam]@comcast.net> wrote in message news:3f68734b$1 (AT) newsgroups (DOT) borland.com... But it is EXPENSIVE! It's worth every single penny Jake. Probably for someone looking to start a new software project. For *existing* projects already built on Flashfiler 2.13, what does it offer that is worth the upgrade price? I already have sufficent speed and functionality from FF2.13. This is the comparison I personally need to make. Back to top Eric Grange Guest Posted: Wed Sep 17, 2003 4:21 pm    Post subject: Re: Excited about Delphi again Quote: I take it that you have found some functional flaws with NexusDB? hmmm... actually our evaluation didn't went beyond the first SQL tests on a table with three fields and two rows... we bumped on unsupported statements, data losses and an incorrect result in a complex join. But I'm sure they have plenty of room to improve ;) At least they state they avoided the lock issues ala MSSQL, which is good (though this issue doesn't exist with Oracle, InterBase/FireBird, ProgressSQL, they're hardly the only DB to have that feature as they seem to imply). Eric Back to top Brian Moelk Guest Posted: Wed Sep 17, 2003 4:27 pm    Post subject: Re: Excited about Delphi again Quote: hmmm... actually our evaluation didn't went beyond the first SQL tests on a table with three fields and two rows... we bumped on unsupported statements, data losses and an incorrect result in a complex join. Really? That's interesting. Did you report it to the NexusDB guys? Could you send me the details of your tests? Thanks. Quote: At least they state they avoided the lock issues ala MSSQL, which is good (though this issue doesn't exist with Oracle, InterBase/FireBird, ProgressSQL, they're hardly the only DB to have that feature as they seem to imply). There are many unique things in the database design. The biggest one being the extensibility features of SubEngines, Plugins, monitors and extenders. I know of no other database that is as extensible. -- Brian Moelk [email]bmoelk (AT) NObrainendeavorSPAM (DOT) FORc[/email]omME http://www.brainendeavor.com Back to top Dennis Landi Guest Posted: Wed Sep 17, 2003 4:28 pm    Post subject: Re: Excited about Delphi again "Brian Moelk" <bmoelk (AT) NObrainendeavorSPAM (DOT) FORcomME> wrote Quote: There are many unique things in the database design. The biggest one being the extensibility features of SubEngines, Plugins, monitors and extenders. I know of no other database that is as extensible. Yeah. And did I mention the FULL SOURCE IS IN DELPHI???? Back to top Hannes Danzl[NDD] Guest Posted: Wed Sep 17, 2003 7:44 pm    Post subject: Re: Excited about Delphi again Quote: hmmm... actually our evaluation didn't went beyond the first SQL tests on a table with three fields and two rows... we bumped on unsupported statements, data losses and an incorrect result in a complex join. Eric, would you mind to detail this. We have NexusDB running out in the wild and surely I haven't seen these problems since before the first public versions. IF there is a problem we *really* would like to know about it. Also regarding string support in queries, i don't think that you can find much better support for it since we are also fully supporting locales in SQL. Anyways, looking forward to hear of your problems and maybe we can get you a bit further than just the "one table with three fields and two rows" trials <g> -- Hannes Danzl [NexusDB Developer] Newsgroup archive at http://www.tamaracka.com/search.htm Back to top David Clegg Guest Posted: Wed Sep 17, 2003 11:29 pm    Post subject: Re: Excited about Delphi again "Dennis Landi" <none[at]none.com> wrote in news:3f688be2$1 (AT) newsgroups (DOT) borland.com: Quote: Yeah. And did I mention the FULL SOURCE IS IN DELPHI???? Thats fine, but does it come with Delphi source? <g,d & r> -- Cheers, David Clegg dclegg_at_ebetonline_dot_com {$IFDEF Alessandro}Italian{$ELSE}French{$ENDIF} is the language of love. For everything else there's Delphi. Back to top Eivind Bakkestuen Guest Posted: Thu Sep 18, 2003 8:12 pm    Post subject: Re: Excited about Delphi again (for Brian too) First, thanks for taking the time to report your findings, we appreciate it. Quote: For the sake of the reply, I just re-tried with the latest Demo (v1.00): Nothing on our site is labeled "demo" that I know of. Do you mean the redistributable binaries (nxserver.exe/nxenterprisemanager.exe), or did you install one of the trial versions into Delphi? Could you also please tell me what the version text says in the help/about box on the binaries you are running? Quote: - access violation in enterprise manager when refreshing servers (oops) Interesting, I use this function all the time, and nobody else has reported it. Guess there's something different between our environments. Are there any exact steps to follow to reproduce? Quote: insert into tb (id, value) values ( 12, 'hello') -> Unknown (unexpected exception object raised) [$3CA1/15521] I assume this is the expected unknown field error? Yes, the error message needs to be properly returned. We'll get it improved asap. Issue #387 in our bugtracking system. Quote: insert into tb (id, data) values ( 12, 'hello') -> ok now select * from tb -> Still Empty??? This I can't reproduce. I correctly get the previously inserted record returned. Quote: re-oops, new symptoms, but still fails basic test... Give it another chance? I shutdown server, empty the DB directory (for a clean start), fire up the server, check "active" in server engine, got to "active" the SQL Engine... and... blamo... I get an access violation: Access violation 005507F8 in module 'nxServer.exe'. Read of address 00000218. This I don't understand at all. First, after checking "active" on the server engine page in the server user interface, the SQL engine should be checked and activated automatically, thus no need to check the box manually at all. I don't get any error when I click it either. Quote: insert into tb (id, data) values ( 13, 'hello world') which is... accepted??? Hey, nxServer.exe, size of data field was 5, this should have triggered an error, since all I now have in the field is 'hello'. Agreed, this should be improved. I guess all of our betatesters insert sensible data. Issue #388. Quote: PS: if the purpose of the combo in the interactive SQL dialog was to hold recentr SQL statements, it's broken (holds only the last one). It works as designed; see the downloadable manual. :-) What OS and servicepacks do you use? 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