[Info-vax] The best VMS features, was: Re: openvms renaming file

[Arne Vajhøj]

On 5/29/2018 7:42 PM, Johnny Billquist wrote:
> On 2018-05-29 17:46, Stephen Hoffman wrote:
>> On 2018-05-29 02:20:53 +0000, Dave Froble said:
>>> On 5/28/2018 4:08 PM, Johnny Billquist wrote:
>>>> RMS do have names for the fields, which you can set and read.
>>
>> Names can exist for indexed file key fields, yes.  Names don't exist 
>> for not-a-key data fields within a record.  That detail was generally 
>> left to the clever developer and/or the use of CDD to provide, or the 
>> use of a non-RMS database that offers that.  SDL was a key part of 
>> making those sorts of static declarations less tedious to maintain 
>> across multiple languages, too.
> 
> Ah. Good point. Yes, only key fields have names. Not arbitrary fields.

Which certainly limits the ability to manipulate data compared to
a RDBMS.

Arne