On Mon, Jul 14, 2003 at 12:54:55AM -0500, Ron Johnson wrote:
> SQL is only one possible relational query language. It didn't
> become de facto standard until the mid- to late-80s.
>
> It is an outgrowth of SEQEL (Structured English QuEry Language),
> which was IBM's 1st try at a descriptive query language. DEC
> had RDML (Relational Data Manipulation Language) to access it's
> RDBMS. I'm sure that Burroughs, etc, had their own access methods,
> too.
Of course, in the context of a PostgreSQL list you can't forget QUEL and
PostQUEL, Ingres and POSTGRES query languages respectively.
--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"Hay quien adquiere la mala costumbre de ser infeliz" (M. A. Evans)