[Info-vax] Oracle Database vs Oracle/Rdb

[Arne Vajhøj]

On 6/27/2019 6:45 PM, Jan-Erik Söderholm wrote:
> Den 2019-06-27 kl. 23:02, skrev Hein RMS van den Heuvel:
>> If anything RDB was developed as a next
>> step from the RDBMS Codasyl database when the relation model and notably
>> 'SQL' became relevant in the late 70's...
> 
> Note that it took a while before Rdb got support for SQL.
> Was it in V3.x something? And if I'm not totaly wrong, SQL
> support was an add-on option from the start (extra cost).
> Today it is of course the standard interface.

When I first time encountered RDB in the late 80's the
standard interface was RDO and SQL was a new thing
recently added to RDB.

But even though I do not remember specific RDO syntax,
then I believe it was pretty similar to SQL.

Arne