Distribution of DB changes in disconnected clients

Distribution of DB changes in disconnected clients

Post by Walid Nou » Tue, 26 Oct 1999 04:00:00



Greeting,

  The task of creating a replication over couple of disconnected client is
intersting. What is more tricky is how to maintain the store procedure
changes, data base changes over a hundred disconnected client that replicate
via SQL7. Several alternative exist on the table:
1- Upon first installation, download a synch client program that
synchronizes data, sp and schema changes.
This is a VB / SQLDMO program that accesses the database to determine the
changes that need to be done
2- Making the synch program as a series of SQL scripts available via an NT
share.
3- Setting

 
 
 

Distribution of DB changes in disconnected clients

Post by Walid Nou » Tue, 26 Oct 1999 04:00:00


Greeting,

  The task of creating a replication over couple of disconnected client is
intersting. What is more tricky is how to maintain the store procedure
changes, data base changes over a hundred disconnected client that replicate
via SQL7. Several alternative exist on the table:
1- Upon first installation, download a synch client program that
synchronizes data, sp and schema changes.
This is a VB / SQLDMO program that accesses the database to determine the
changes that need to be done.
2- Making the synch program as a series of SQL scripts available via an NT
share.
3- Setting up store procedure updates via the replication model itself.

Any thoughts in this issue ?

Walid Nouh
GTE corporation

Note: I apologize for the previously incomplete message

 
 
 

Distribution of DB changes in disconnected clients

Post by Michael Hote » Tue, 02 Nov 1999 04:00:00


There is only one problem with this.  It doesn't matter if you are connected
or disconnected.  Replication does not propogate DDL.  The problem that you
run into is that if you change the underlying structure for the publication,
you have to unsubscribe, drop the publication, recreate, and resubscribe.

--

Mike
New product reviews: http://www.mssqlserver.com/products
Book reviews: http://www.mssqlserver.com/books
Replication Primer: http://www.mssqlserver.com/replication
Disaster recovery plans: http://www.mssqlserver.com/backup
SYSOP PASS Discussion Forums: http://www.sqlpass.org

 
 
 

1. Changing messaging system for Client/Server DB

Does anyone know of any DB products where I can take advantage of
Client-side capabilities when I don't have TCP/IP between the
Client and Server?

We will be using Java as our development language, and the messaging
between nodes in our system will be a proprietary messaging format
over ATM.

Does anyone make such a product (preferably an OODBMS) that allows
the messaging between the client and server to be replaced?  If so,
how much development effort is required to swap out the TCP/IP for
another.

Any help appreciated!

Hopefully I can avoid having to write the client side API myself which
then talks to a wrapper around the DB engine - but that is my plan for
the moment...  This type of solution would not likely take advantage of
the DB Engines full capabilities.

Cheers,
--

Nortel - Richardson, Texas

*standard disclaimers, etc., etc.

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