CREATE TABLE "deleteion" control

[Ruslan Zasukhin]

on 8/19/03 20:59, Andrew Sinning at andrew at learningware.com wrote:

> In the ValentinaSQL.pdf, under CREATE TABLE, there as entry for
> "deleteion_control"
> 
> : "on delete" { "set null" | "restrict" | "cascade" }
> 
> What does this do?  All of my db experience is with MySQL, so I'm not
> familiar with this specification.

Hi Andrew,

Please look into ValentinaKernel.pdf,
Section about ObjectPtr field.
Deletion control -- is one of properties of ObjectPtr.


In 2.0 we add Standard Foreign Key for RDB - links also.

-- 
Best regards,
Ruslan Zasukhin      [ I feel the need...the need for speed ]
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