I did some research into this and couldn't quite find an answer.
The company I currently work for has three Access databases they currently use, that are fairly small, and I would like to combine them all into one database. In addition, they have some data that only lives in Excel spreadsheets that should be put in Access.
So what I am wondering is if there is a way I can link these three databases to a new "master" database, that will automatically update the new "master" database when they are making changes to the old ones. Trying not to upset their workflow. However, it would be great if the additions I need to make, are not reflected in the databases they are using.
That way I can work on the new database and add the information that only exists on Excel. Make sense? Not quite sure how to accomplish this.
EDIT: Sorry meant to include the version of Access is 2013.
I had a similar problem recently and the way I solved this was to build the master database in PowerPivot(64bit) - which is a free Excel add-in & easily connects to Access & Excel. The PowerPivot(64bit) engine is pretty speedy will automatically handle data refreshes as more data is added or altered in the other databases. Hope this helps.
Related
I'm working with:
VS2013 Professional, Microsoft SQL Server 2012 - 11.0.5058.0 (X64)
I have kind of a two part question. What I'm wanting to achieve is: I want to, as seamlessly as possible, to be able to work on the same project on my work PC and home PC. As of right now, I am using online hosted Subversion for source control which is working fine for application code. The part I have no control over at the moment is the database. I would like if I could get "all" database changes made at either work or home to synch to my other machine.
By database changes, I mean:
Schema Changes
Data within specific "Application" tables (I obviously
do not intend to synch data in all tables)
I followed this just to test getting a DB schema into my project and under source control:
https://msdn.microsoft.com/en-us/library/aa833194%28v=vs.100%29.aspx
It seems to work fine. However, that covers schema changes when working on one machine. If I then go home and want to:
either build from new or update changes to the schema on my home machine, or
update data in base "Application" tables
...I have no clue how to do that, or if it is even possible?
I would think there should be a simple (ha!) way for making the schema changes flow through easily?
But changes to app tables might be harder - I'm happy to write a sql script to manage that, but I'd like to be able to have that script automatically run when I do a "refresh" my local copy of the database.
For schema changes, there are good blogs out there on using SSDT/DataDude/VS DB Projects. Jamie Thomson has written quite a few times on his experiences. I've written up my experiences here: http://schottsql.blogspot.com/2013/10/all-ssdt-articles.html
For data - you can use the native "Data Compare" option under the "SQL" menu in SSDT. It's not perfect, but it can help. Overall, though, what you'd want is one of a couple of things:
1. Extract data from the shared system, write a task to populate that - batch files w/ BCP, SSIS, or some apps that can actually generate T-SQL for you.
2. Write it yourself, being sure to guard against attempts to insert duplicate data and ensuring the key values remain unchanged.
3. Buy a copy of Red-Gate's SQL Data Compare Pro. You can save the compare options and can then execute those through the command line.
If you need this for multiple developers, option 1 or 2 is probably the best way to go, though you can use SQL Data Compare to get you started with a pretty good script. You should also be able to use something like Mladen Prajdic's SSMS Tools Pack to script result sets to T-SQL inserts that you could re-use.
If you use one of those options and combine it with a post-deploy script (maybe even one that only runs if this is a "new" build), you should be off to a good start.
I have a web application that has an SQL database.
For clarity I'm using Asp.Net 4.0/c#/SQL Server 2008 Web edition.
I recently puclished the site, which was my first, by creating a deployment package for the database.
Now a couple of months down the line, I need to update the database structure. The web application now has data that has been entered via the web, so i'll need to update the structure, then copy data across.
As this is the first time I've done it, I'm unsure of the process I should follow - is there a standard practice for this kind of update?
Also, since some of the tables use incremental ID's I need to ensure they remain the same in the newly updated database.
Any tips, links, advice appreciated.
Important Guidelines:
I assume you have not changed structure entirely (means keys column are same though solution is around for that too)
Steps are as follows:
Take export of the database
Add or remove the columns or whatever changes you want
Import the database back
Check the log for rows/tables (if some) were not updated successfully
Make SQL queries for them and run them to sync
Here are some general steps for this:
Take backup of your online database and restore it locally
Modify local database to suite your needs
Use third party comparison and synchronization tool to publish changes to your production database
There are many of these available and you can use them in trial mode to get the job done if you’re on a tight budget. You can try tools from Red Gate, ApexSQL, Idera, Dev Art and others…
I am using github for maintaining versions and code synchronization.
We are team of two and we are located at different places.
How can we make sure that our databases are synchronized.
Update:--
I am rails developer. But these days i m working on drupal projects (where database is the center of variations). So i want to make sure that team must have a synchronized database. Also the values in various tables.
I need something which keep our data values synchronized.
Centralized database is a good solution. But things get disturbed when someone works offline
if you use visual studio then you can script your database tables, views, stored procedures and functions as .sql files from a database solution and then check those into version control as well - its what i currently do at my workplace
In you dont use visual studio then you can still script your sql as .sql files [but with more work] and then version control them as necessary
Have a look at Red Gate SQL Source Control - http://www.red-gate.com/products/SQL_Source_Control/
To be honest I've never used it, but their other software is fantastic. And if all you want to do is keep the DB schema in sync (rather than full source control) then I have used their SQL Compare product very succesfully in the past.
(ps. I don't work for them!)
You can use Sql Source Control together with Sql Data Compare to source control both: schema and data. Here is an article from redgate: Source controlling data.
These are some of the possibilities.
Using the same database. Set-up a central database where everybody can connect to. This way you are sure everybody uses the same database all the time.
After every change, export the database and commit it to the VCS. This option requires discipline and manual labor.
Use some kind of other definition of the schema. For example, Doctrine for php has the ability to build the database from a yaml definition which can be stored in the vcs. This can be easier automated then point 2.
Use some other software/script which updates the database.
I feel your pain. I had terrible trouble getting SQL Server to play nice with SVN. In the end I opted for a shared database solution. Every day I run an extensive script to backup all our schema definitions (specifically stored procedures) for version control into text files. Due to the limited number of changes this works well.
I now use this technique for our major project and personal projects too. The only negative is that it relies on being connected all the time. The other answers suggest that full database versioning is very time consuming and I tend to agree. For "live" upgrades we use the Red Gate tools, they do both schema and data compare and it works very well.
http://www.red-gate.com/products/SQL_Data_Compare/. We were using this tool for keeping databases in sync in our company. Later we had some specific demands so we had to write our own code for synchronization. Depends how complex is you database and how much changes is happening. It is much simpler if you have time when no one is working and you can lock database for syncronization.
Check out OffScale DataGrove.
This product tracks changes to the entire DB - schema and data. You can tag versions in any point in time, and return to older states of the DB with a simple command. It also allows you to create virtual, separate, copies of the same database so each team member can have his own separate DB. All the virtual copies are tracked into the same repository so it's super-easy to revert your DB to someone else's version (you simply check-out their version, just like you do with your source control). This means all your DBs can always be synchronized.
Regarding a centralized DB - just like you don't want to work on the same source code, you don't want to be working on the same DB. It means you'll constantly break each other's code and builds each time someone changes something in the DB.
I suggest that you go with a separate DB for each developer, and sync them using DataGrove.
Disclaimer - I work at OffScale :-)
Try Wizardby. This is my personal project, but I've used it in my several previous jobs with great deal of success.
Basically, it's a tool which lets you specify all changes to your database schema in a database-independent manner and then apply these changes to all your databases.
Building and maintaining a database that is then deplyed/developed further by many devs is something that goes on in software development all the time. We create a build script, and maintain further update scripts that get applied as the database grows over time. There are many ways to manage this, from manual updates to console apps/build scripts that help automate these processes.
Has anyone who has built/managed these processes moved over to a Source Control solution for database schema management? If so, what have they found the best solution to be? Are there any pitfalls that should be avoided?
Red Gate seems to be a big player in the MSSQL world and their DB source control looks very interesting:
http://www.red-gate.com/products/solutions_for_sql/database_version_control.htm
Although it does not look like it replaces the (default) data* management process, so it only replaces half the change management process from my pov.
(when I'm talking about data, I mean lookup values and that sort of thing, data that needs to be deployed by default or in a DR scenario)
We work in a .Net/MSSQL environment, but I'm sure the premise is the same across all languages.
Similar Questions
One or more of these existing questions might be helpful:
The best way to manage database changes
MySQL database change tracking
SQL Server database change workflow best practices
Verify database changes (version-control)
Transferring changes from a dev DB to a production DB
tracking changes made in database structure
Or a search for Database Change
I look after a data warehouse developed in-house by the bank where I work. This requires constant updating, and we have a team of 2-4 devs working on it.
We are fortunate because there is only the one instance of our "product", so we do not have to cater for deploying to multiple instances which may be at different versions.
We keep a creation script file for each object (table, view, index, stored procedure, trigger) in the database.
We avoid the use of ALTER TABLE whenever possible, preferring to rename a table, create the new one and migrate the data over. This means that we don't have to look through a history of ALTER scripts - we can always see the up to date version of every table by looking at its create script. The migration is performed by a separate migration script - this can be partly auto-generated.
Each time we do a release, we have a script which runs the create scripts / migration scripts in the appropriate order.
FYI: We use Visual SourceSafe (yuck!) for source code control.
I've been looking for a SQL Server source control tool - and came across a lot of premium versions that do the job - using SQL Server Management Studio as a plugin.
LiquiBase is a free one but i never quite got it working for my needs.
There is another free product out there though that works stand along from SSMS and scripts out objects and data to flat file.
These objects can then be pumped into a new SQL Server instance which will then re-create the database objects.
See gitSQL
Maybe you're asking for LiquiBase?
I'm not sure if this is valid, however I have a bug bear with SQL Server, and that is that I cannot organise objects in to a group of objects.
Imagine I'm working on a new section of work in a large database and I perhaps have 15 objects that I will be regularly using. What I want to do is sort of "Favourite" them in to a folder so that I don't have to trawl through all objects in my databases.
I know I could organise objects by schema, however these objects aren't necessarily schema specific, they cross boundaries.
Has anyone come across a method for organising objects in to a favourites group? I know SQL Server Projects organise scripts, but I can't see that they can organises tables?
Thanks
You can't do that with the native tools (SQL Server Management Studio) but there's a workaround: create a new empty database with those 15 tables - just the schema, not the data. Then when you're writing T-SQL code, you can quickly drag and drop elements out of those tables into your code.
The downside is that changes made in the real database won't be reflected in your working database, but you can automate that with a script to pull out the objects you need and recreate them in your working database. You can run that as often as you like (like every X hours, or as a SQL Agent job that runs when your local dev server starts up) without losing data, since you won't be modifying the structure in your "favorites" database.
I know I'm really late to the party, but the question showed up on the right under "Related" and I was curious enough to look.
There is a free add-in for Management Studio that seems to do exactly what you're asking:
http://www.sqltreeo.com/wp/dowload-free-ssms-add-in-to-create-own-folder-for-database-objects/
There is also a $65 commercial add-in which you may want to try as well. I haven't tried either so I'm not sure how well they work or what the paid version offers over the free add-in (if anything).
http://www.skilledsoftware.com/
Also can't hurt to vote for this Connect item and add a comment describing your business use case. While you may find it discouraging that it's been closed as Won't Fix, that is not necessarily a permanent decision:
http://connect.microsoft.com/SQLServer/feedback/details/209340