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I am taking a database class and have to draw a bunch of different kinds of diagrams. Specifically, I need to draw ERD and dependency diagrams. The instructor does not want any hand drawn diagrams but does not offer any clue as to what software to use. Does anybody have any suggestions?
VisioModeler by Visio now exists as free, unsupported software. It's only good for physical ERD in my experience - it can't do logical models.
I've heard good things about MySQL Workbench too.
Try DB Designer. It's free and has some useful features. It is both Windows and Linux friendly.
Dia. Kivio. Umbrello.
So far I have been cobbling together various shapes in Visio. I don't like it but it seems to be the best way to create all the different diagrams in my text.
I've recently discovered an editor called RISE, which is published by Rise To Bloome. It's simple and easy to use and it's free to download and keep. It currently only supports Windows OS.
ERWin currently has a free community edition. http://erwin.com/products/detail/ca_erwin_data_modeler_community_edition/
It's an excellent tool for getting your feet wet.
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I am new to database schema design and I want to learn more about how a well-designed database scheme is implemented in the real world?
Is there any places to find those schemes? Or is there any book focused on explanation over examples.
DatabaseAnswers.org (unfortunately now defunct) but well-preserved in the Wayback Machine is a great source of example database schemas.
I can also recommend Beginning Database Design, published by Apress. I own this book and can confirm that it is of high quality. The book looks at a number of real world scenarios and explains the impact a certain design decision could have on the way the database works and the quality of the data and its output.
Finally I would advise building some small databases (E.G. contact management, Task list etc). Start by specifying some basic requirements and create some tables and queries. You WILL make some mistakes which is the best way of learning.
Here is a nice library of schemas to browse through.
http://www.databaseanswers.org/data_models
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I mean a php online script that connects to Oracle? Or should I use navicat? Is navicat that good? Any other alternative? I secretly hope that I will not be forced to use command line interface for a product that costs $40k (Well I am using the Express Edition. But anyway).
Check out Oracle SQL Developer. It's free, and it is a fully featured IDE. Find out more.
I use PLSQL Developer. It's not online, but it beats command line interfaces. :)
As others have posted, I use SQL Developer for my IDE. However, if you are looking for a fully functional web interface like PHPMyAdmin, check out Oracle's Application Express (Apex).
It's free, and although it's meant as a rapid web development tool, it has great tools to manage your schema, tables, and other objects.
In addition to SQL Developer and PL/SQL Developer, you could use TOAD (Tool for Oracle Application Developers). It has both a paid for version and a free version.
In my experience the free version is easy to use and powerful enough for most users.
http://www.quest.com/toad/
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I'm looking for oracle admin tool like SQL Buddy (here). I just want to use the browser to test my querys.
For just to test querys you can try iSQL (but it is deprecated in 11g)
or may be look to http://www.oracletool.com/
You could try using APEX. It isn't specifically an admin tool (more for power-users/developers), but it is built-in on newer databases. You can write SQLs, build packages and procedures, view and filter data, etc.
While not web based I would suggest Oracle's (free) Sql Developer http://www.oracle.com/technetwork/developer-tools/sql-developer/downloads/index.html
or (also free/OSS) Squirrel:
http://squirrel-sql.sourceforge.net/
The best for me is SQLTool (http://www.sqltools.net/), it´s free, faster, easy to use and has a lot of option.
Although they're not web-based, I like toad and sqldeveloper. The former is commercial software, but very good - the latter is currently free (but long-term....?).
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I'm coming from a web dev background, and do ok, but with WinForms, everything I make looks like crap. Can you guys point me to resources with WinForm design principles that will make my WinForms easier on the eyes?
Thanks!
Making WinForms look "Good" is a tall order. I have found it is best accomplished with a 3rd party package. Some the more popular...
http://www.devexpress.com/
http://www.infragistics.com/
http://www.telerik.com/
Of course, if you can move into the WPF you will have almost unlimited control on how you style the Ui elements....but, as pointed out by –nportelli, it will still look like crap out of the box.
You should try windows presentation foundation instead. That gives you the ability to build interfaces in a manner that's closer to the html you're familiar with.
Microsoft have their own guidelines for Windows GUIs:
http://msdn.microsoft.com/en-us/library/aa511440.aspx
YOu can also use http://www.devcomponents.com/dotnetbar/ or SliverLight, WPF
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is there a good freeware that generates fake data for SQL Server? It would be really great if the tool generate the data according to foreign key (other constraints). Its such a repetitive task I am sure there must be a good tool for this but somehow i cant seem to find it.
If you cannot find a free version, RedGate produce a commercial one called SQL Data Generator.
other commercial tools.
1.EMS Data Generator for SQL Server
2.IRI RowGen, for multiple DBs and flat files, uses Eclipse GUI
3.Xentrix
I've always written my own. It rarely takes very long to write. This way I know what I'm dealing with and if it's not correct, then I can tweak as needed and re-run it.