[comp.databases] Ingres DB Procedures

Bob_Campbell.ZORRO@gateway.qm.apple.Com (Bob Campbell) (12/05/89)

Quotes from the Ingres release 6 (Dec 88) manual:
    "Procedure can be created or dropped in the SQL Termanal Monitor
     or within Embedded SQL.  Procedures can only be executed from within
     Embedded SQL."

    "You cannot invoke a procedure Interactively or from inside another
     procedure."

Since you can't execute a procedure from isql, I would assume that you 
can't dynamicly execute a stored procedure from embedded SQL (if you could 
execute it dynamicly from embedded SQL then there would be no good reason 
that you can't execute it from isql :-)  Given the above statements you 
are clearly not as functional as Sybase stored procedures, or did I miss 
something?

Sybase stored procedures can also retrieve data.  The Sybase model for 
retrieving data does not support cursors the way that Ingres and other 
brands do and this allows procedures to return the results from one or 
more select statements.  (I am not saying that I am a big fan of this 
implementation, but it does have a few advantages as well as 
disadvantages).

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