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I am using the ODBC connector to access a MySQL db from Visual Studio 2008 and I'm facing performance problems when dealing with crystal reports and to solve this I need a native connector to visual studio. If someone has had a similar problem and knows a solution or tools (freeware preferable), I would be really grateful.
You want Connector/Net
Update: This link should take you to a more recent version:
http://dev.mysql.com/downloads/connector/net/5.2.html
Refer the below link: You will get more knowledge:
http://www.codeproject.com/KB/database/MySQLCrystal.aspx
You need add reference to Mysql.Data.dll. Put the dll file in Bin folder and right click - add reference. Its sample.
Connector/Net is the native provider you are looking for. If you're having trouble using it then you should open a new question asking how to get it working with crystal reports. I don't use crystal reports, so I can't help you there myself.
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I am writing a database application in C linux. Currently I work on mysql but later we might migrate to postgres. Therefore my boss has asked my to prepare the application to be able to use either of the databases(mysql or postgres).
Is there a free api which I can use for this purpose? Or any suggestion on how best I can do this?
The official answer to that is ODBC.
If you don't like that (and let's face it, no one really does), Qt has a database access module, QtSql. Obviously, this will require you to make heavy use of Qt in your application.
If you can find drivers for your platform, ODBC was supposedly meant to provide exactly this: a platform-independent way to talk to databases.
(I say supposedly because in my experience, ODBC is such a mess that hooking up to an ODBC driver once turned out to be more difficult than just writing the code three times for three different databases.)
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I am looking for a Odbc library for Fortran (gFortran/Win). There was one product available by the name f90SQL but its now discontinued. I don't want write my own API wrapper for Odbc that would take alot of time is there any opensource or even a product that would provide that service.
A quick google came up with several options:
ForDBC
flibs/odbc
windtracer ODBC Intercation
I don't know if any of these are suitable, but some are open source and you should be able to adapt to your needs.
I know I'm excavating an old question but it pops up in google search.
It is only flibs/odbc that is free software among those Oded mentioned. It lacks some nice features like column binding and it generally enforces its own API. I took an effort to generate Fortran 2003 C bindings directly from ODBC headers. fodbc is far from being complete. But simple example with sqlite3 works for me so far. It looks like tests with MS Access reading and MS Excel writing do well.
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i have an older test unix server with mysql 4.1 enterprise edition on it.
i'm looking for a tool that i can use to automatically generate an erd?
preferably free and easy to setup...
i try to install workbench but i didn't have the know how and after checking with my server guys he told me that i can't install the latest version. and i've been googling around and i can't find any older version for workbench as well.
so i was thinking maybe there's some other open source tools hidden out there that i don't know about.
thanks!
Well, Power Architect is one candidate. I have not tried it with MySQL or on Linux but it reckons to support MySQL and it has a generic *nix download. Plus it is FOSS.
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I am in the process of trying to graphically represent all of our server racks. So when we receive a new server we can decide where this should be put and where a specific servers currently resides.
Are there any existing software packages that stores this kind of data already? I'd prefer open source ones if there are any but anything would be helpful.
If you use nagios as monitoring application you could use NagVis to create custom status maps e.g. a rackview of your servers.
Example Screenshot
RackMonkey seems to fit your requirements too.
I had a look around at this and the solutions suggested (thanks Node) and at the moment my feeling are using one of the following:
NVentory though I'm not sure my company will want to use ruby and rails as this would be our first product using this
Rackview
Or more likely just MS Office Visio 2007 Add-in for Rack Server Virtualization however this looks like it only links to excel and hopefully I can use excel to query a database.
I will update when I have played about with these tools and see what they can provide.
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Visio 2007 support reverse engineering a MSSQL Database. However, SQL2008 is not supported (link).
Are there other (free?) tools that can do this?
thx.
The SQL Server Management Studio Tool can do it.
Attach the DB
Expand its node
Right click Database Diagrams -> New Database Diagram
N.B: You'll need to be logged in as a dbo and have the database diagramming components installed (Management studio will tell you if not)
DeZign for Databases can import SQL2008 databases (you can use the 2005 driver, that works)