Browsing Questions About database (1)

How do I store binary data in MySQL ?

If I have a trigger BEFORE UPDATE on a table. How can I throw an error that prevents the update on that table?

What are your best practices around creating flat file database structures in PHP? A lot of the more mature PHP flat file frameworks I see out there attempt to implement SQL-like query syntax, which is over the top for my purposes in most cases (I would just use a database at that point). Are…

I have and pretty standard table setup in a current application using the .net XSD DataSet and TableAdapter features. My contracts table consists of some standard contract information, with a column for the primary department. This column is a foreign key to my Departments table, where I store the…

I've been wanting to get my databases under version control. Does anyone have any advice or recommended articles to get me started? I'll always want to have at least some data in there (as alumb mentions: user types and administrators). And I'll probably often want a large collection of generat…

Does anybody know if there is a way to create a SQLite database based on an XSD DataSet? In the past I've just used a basic SQLite manager, but want to fuse things a bit more with my .NET development if possible.

I often run into the following problem. I work on some changes to a project that require new tables or columns in the database. I make the database modifications and continue my work. Usually, I remember to write down the changes so that they can be replicated on the live system. However, I d…

I was once under the belief that Microsoft was working on an official, ruby-like, Migration framework. However, I haven't been able to find any additional information (or even the original source of my belief). Does anyone know any information about an official migration framework? or possibly …

How do I get started?

There are several ways, what is the best one?

I have a database table and one of the fields (not primary key) is having unique index on it. Now I want to swap values under this column for two rows. How could this be done? Two hack I know are: Delete both rows and re-insert them Update rows with some other value and swap and then u…

I've got an upcoming project wherein I will need to connect our website (PHP5/Apache 1.3/OpenBSD 4.1) to our back-end system running on a iSeries with OS400 V5R3 so that I can access some tables stored there. I've done some checking around but am running into some roadblocks. From what I've s…

I was (and still am) looking for an embedded database to be used in a .net (c#) application. The caveat: The Application (or at least the database) is stored on a Network drive, but only used by 1 user at a time. Now, my first idea was SQL Server Compact edition . That is really nicely integr…

I wrote a windows service using VB that read some legacy data from Visual Foxpro Databases to be inserted in SQL 2005. The problem is this use to run fine in Windows server 2003 32-Bits, but the client recently moved to Windows 2003 64-Bits and now the service won't work. I'm getting a message the…

Objects oriented databases seem like a really cool idea to me, no need to worry about mapping your domain model to your database model, no messing around with sql or ORM tools. The way I understand it, relational DBs offer some advantages when there is massive amounts of data, and searching an ind…