Re: How to set DatabaseName in tests? -- Spider ODB

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Date Posted: 01:21:32 05/26/01 Sat
Author: marcel
Subject: Re: How to set DatabaseName in tests?
In reply to: Michel 's message, "Re: How to set DatabaseName in tests?" on 14:58:17 05/25/01 Fri

Hello Michel,

Sometiems it seems difficult to package a real world object in computer's object. The definition of objectmay by contextual. For example, cities with many citizens. Should you make a city object with collection of citizen objects? Alternatively, city can be property of the citizen. The former model making compiling a citizen list for a city easily. The later one can easily trace where the citizen is living in. Is there a Relational Object Database Management like RDBM?

When down to daily operation, RAD seems inavoidable. Ad-hoc report, new demand on information , etc. How to compromise odb with rad?

Pls. forgive my ignorance. I am fsacinated by object theory for many years but still not use them in real application.
>
>Hi Marcel,
>
>You need to pass the test directory on the command
>line.
>
>For example, if you installed in c:\odb then set the
>run parameters in the IDE to c:\odb\tests\testdb. The
>BDE will create files there when testing.
>
>
>ODB is not RAD. The Spider ODB is very good to store
>complex information, which makes it very difficult to
>automatically put on forms at design-time. For RAD
>database, using Delphi's TTable and TQuery should be
>adequate. ODB is good when your program uses complex
>objects and you would like to store them in a database.
>
>Best regards,
>
>Michel
>
>>Hi Michel,
>>
>>The BDE test failed due to the driver point to a wrong
>>directory. Which line should I modify to set the
>>driver properly?
>>
>>Unknown Alias: d\p\odb2\testdb\
>>
>>I have some idea how the odb work yet.
>>
>>The three versions of TPerson in spiderex demo point
>>out the advantage of oop. But it seems lacking of UI.
>>Visual components and report tools are fit with RDBM
>>only. Should ODB is not RAD?
>>
>>Thanks
>>Marcel

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Replies:

Re: How to set DatabaseName in tests? -- Michel, 15:12:27 05/28/01 Mon