Schema Extraction For Multiple Interdependent Databases

Jul 23, 2005

I'm looking for a tool that can extract only the schema from a database
in a form that can be used to generate that schema in another empty
database. This is to facilitate our disaster recovery processes where
we need the objects only, not the data, and need to replicate this to
our disaster recovery site over the WAN. There are plenty of tools
that can handle a single database, but does anyone know of any tools
that could handle multiple databases where many of the objects (stored
procs and views) are dependent on objects in other of the databases
(tables). This is a home-grown ETL suite so making changes to the code
to remove these dependencies would take way too much effort. I am
looking for something that can either extract the schema for all 3
databases and handle the object creation ordering to account for the
dependencies (a simple method would be to extract by object type across
all databases, e.g. tables for all dbs before views before procs), or a
backup/restore tool that allows you to restore the objects only without
data. Worst case we could write something to generate the DDL or use
SQL DMO, but ideally we would prefer to purchase a (relatively
inexpensive) tool to do it.

Thanks,
Simon

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SQL Server - Manage Multiple Databases With Same Schema

May 10, 2005

I am using SQL Server 2000.
I am working on a project where there will be multiple databases on a single instance of SQL Server. Each database will have the exact same schema but will be accessed by different groups of users.
What is the easiest way to sychronize changes between the databases, so that if I add a column to one database, it will be reflected in the other databases. If I add, remove, or alter a stored procedure, I want the change to be made in the other databases. I want the data in each database to remain isolated. In other words, I do not want replication of the data, only the schema of the databases. I would like to have a single "master" database that I use to make any schema changes and all the other databases be schema mirrors of this database each with their own data.
I have looked into SQL Server replication, but this didn't seem to work the way I wanted and I wasn't able to publish column changes etc.

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Dec 10, 2007

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Jan 25, 2007

Hi all.

I 'm trying to set up merge replication between two servers that have the same schema databases. The two database have the majority of there data the same but as well as data inserted at a later time independently on the two servers. (The two servers were connected in a merge replication scheme that failed at some later  time and replication was paused, but users continout to insert data indepentedly at the two servers.)

I need to get them up and running.

I cleaned replication at both servers, I recreated the publication at the puplisher distributor and all is fine.

When I create a push subscription to the subscriper I get the error invalid column name 'rowguidcol' .

I so far managed to have merge replication running on two identical databases (schema and data).

Just some thoughts. After some reading I found that it might be related to identities and identity range or indexes.  I set the identity seed  and increment at 2, 2 at publisher and at 1,2 at subscriper. (On the same tables at  puplisher and subscriber.) Is that ok? is that the way to do it?

Digging a bit more  Using the SQL Profiler I can locate the error to happen when sp_MSaddmergetriggers executes.

Thanks allot for any help

Version.

Microsoft SQL Server  2000 - 8.00.2039 (Intel X86)   May  3 2005 23:18:38   Copyright (c) 1988-2003 Microsoft Corporation  Standard Edition on Windows NT 5.0 (Build 2195: Service Pack 4)

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Sep 13, 2007

Hi,

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I'm confused why it won't let me to connect through ODBC as I've created a web page that selects data from this database with no problems!

Here is the SQL statement that I've written to make sure it is the correct one (on the msdn library page it said that this was the ODBC connection):

SELECT a.*
FROM OPENROWSET('MSDASQL','DRIVER=(SQL Server);SERVER=APPOLOACT7;UID=sa;PWD=***************',
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Thanks

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Nov 15, 2006

Hi!

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I know how to iterate over the source databases (with SMO foreach), but I'd like to know if someone can advise the best copy method for that context in SSIS ? (I don't want to keep the primary keys, but I need to keep the relationships...)

Any pointer most welcome!

best regards and thanks

Thibaut

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thank you

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Feb 7, 2007

Hey there!
I'm not sure how to explain this but here goes...
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1 Oracle database which stores information on our staff (this database is a part of some MIS software and can't be changed in any way)
1 SQL Server 2005 database which stores information on staff sickness
Basically say theres 1 table in each database
Oracle DB
People


Person_Code
Forename
Surname
SQL DB
Sickness


Person_Code
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22334 Dann Rees 01/01/2007
22334 Dann Rees 03/01/2007
22334 Dann Rees 10/02/2007
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All help appreciated as this is becoming very urgent.
Many thanks
Dann
(I couldnt post this in the General data access forum for some reason)

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Nov 11, 2007

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Dec 23, 2005

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Thanks in advance, and merry X'mas.

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Jun 14, 2001

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Apr 5, 2004

Hi,

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Feb 5, 2002

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I need a way to manage changes on the multiple databases! Right now I generate a script in Enterprise Manager, then run it in Query Analyzer on each database, manually. There's too much room for error here.

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Nov 9, 2007

Ok, so right now we have a bunch of queries similar to the following:


Code:


use db001 select co#=(001), fieldvalue from tablename where fieldid = '1'

use db002 select co#=(002), fieldvalue from tablename where fieldid = '1'



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Basically right now we run all these there are 25 databases and we export everything to a file and then open it in excel. we then format it it so its just co# and fieldvalue and then look for duplicates.

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hope that makes sense. - Thanks

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Aug 14, 2007

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Over and above the what I have mentioned, is there a way to also specify a name of the target DB the copy will go through to?
e.g. Server 1 has 3 instances, each one with a different copy of the same DB.
I would like to copy all 3 copies to Server 2 running 1 SQL instance, but to target DB's like DB_dev, DB_prod and DB_test.

The latter section is not so crucial at the moment, but the first part is really an issues I am struggling with at the moment...

Any help would be greatly appreciated.

Thanking You in advance!!!!!

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Jan 21, 2008

I'm very new to SQL, so you'll have to excuse the nubishness of this question. I've got my trusty O'Reilly book here!

We're using Microsoft SQL Server 2005 on our web server. I'm currently working on a project to get a few MS Access Databases available on the web page.

The web part is actually working fine, with the DBs exported into SQL for performance reasons. (From what I've read pulling data from the .mdb file could cause me problems in the future, so I'm tossing it all onto the SQL server from the start.)

Before I get into the project full-tilt, though, I'm curious about how best to organize all the data?



I'm using the Upsizing Wizard in Access for the conversions, and every new DB gets added under Databases. If this gets approved I may be looking at well over a hundred DBs which will eventually be converted and made web accessible.

I can keep everything neat and tidy on the web server by just tossing things in a few directories, but the menu on the SQL Server Management Studio is going to become a mess really quickly if I let it just keep adding to +Databases.

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