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Conference ulysse::rdb_vms_competition

Title:DEC Rdb against the World
Moderator:HERON::GODFRIND
Created:Fri Jun 12 1987
Last Modified:Thu Feb 23 1995
Last Successful Update:Fri Jun 06 1997
Number of topics:1348
Total number of notes:5438

567.0. "Dynamic Cursors?" by SUBWAY::BOWERS (Dave Bowers @WHO) Mon Feb 12 1990 16:38

    Customer question:  "VAX SQL doesn't support dynamic cursors, does it?"

    My question:  What the #$%^ is a dynamic cursor?  From the little I
    could get out of the customer it is something different from a cursor
    declaration prepared via dynamic SQL.   Is this part of the ANSI
    standard or simply a vendor's enhancement?

    Any help greatly appreciated.

    -dave
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567.1does this sound plausible ?WARNUT::BRYANMon Feb 12 1990 17:268
    I'm guessing here, some database systems allow you to push/pop cursors
    onto and off a stack. This is useful in a bill of materials type
    application say where you want to save the current cursor, change your
    rse, open a new cursor, retrieve a few records and then at the end of
    this set pop your old cursor from the stack and carry on where you had
    left off.
    
     
567.2db/windows both??DPDMAI::DAVISGBEscapee from New Hampshire...Thu Feb 15 1990 19:585
    Might there be Multi-window correspondence also? As in a DEC/Xwindows
    environment?  Order header on one screen/Line item on another?
    
    Gil
    
567.3Answered in another conferenceSUBWAY::BOWERSDave Bowers @WHOThu Feb 15 1990 20:542
    The answer to the question is to be found in section 4.23 of the SQL
    refernce manual for Rdb v3.1.