[Info-vax] What Will Drive More OpenVMS Adoption?

[John Dallman]

In article <sogpfo$18sn$1 at gioia.aioe.org>,
helbig at asclothestro.multivax.de (Phillip Helbig (undress to reply))
wrote:

> At the application level, using standard SQL, does anyone even have to
> know what database is running?

Sadly, yes. SQL databases are not perfectly compatible:

<https://en.wikipedia.org/wiki/SQL#Interoperability_and_standardization>

The big database product my employer produces has a non-trivial
abstraction layer for SQL databases. It supports Oracle and MS SQL Server,
and has supported DB/2 in the past. The abstraction layer needs regular
maintenance to cope with changes in databases. 

John