One of the trickiest aspects of relational database management can be dealing with missing information. The standard method of representing missing information is to set the “value” to null. A null ...

When databases are designed, they serve as semantic expressions of the organizations that employ them. Those expressions describe the data items of importance and articulate the business rules as the ...

I recently published a tutorial describing the different available methods to store data locally in an Android app. However, due to article length constraints, I could not adequately cover creating ...

I have a slightly unusual surname. It's no biggie, just something I have to go over a few times with every customer service representative I've ever spoken to over the phone. No, not Edson, Edsert, or ...

In this tutorial we are going to cover some advanced database code as well as tie in to some more advanced GUI techniques. We left off on the last tutorial showing you how to insert and select data to ...