[Info-vax] VSI roadmap

[Dave Froble]

On 8/20/2023 11:01 AM, Johnny Billquist wrote:
> On 2023-08-18 22:39, Dave Froble wrote:
> [...]
>
>> Ok, understand what you are doing.
>>
>> Caviet, I've never used Rdb.
>>
>> Another, I've only used SQL2000 from Microsoft.
>>
>> Regardless, consider the following:
>>
>> SELECT * From CustomerTable Where Country is "USA"
>>
>> And where country is not a key.
>>
>> In RMS this cannot be done, without scanning all records, and use some type of
>> mapping of the record definition, CDD, include file, in program definition.
>> However, if the database contains the record definitions, then the database
>> would return a recordset of the records with Country equal to USA.
>
> Maybe I missed something. I didn't see RMS in there anywhere.
> So why are you bringing that up?
>
> Rdb is not the same thing as RMS.
>
>   Johnny
>

The topic was the VSI replacement for CDD.  CDD was/is used to provide record 
definitions for RMS and anything else that needed such.  My opinion is that the 
lack of record definitions in any data store is poor design.

-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
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