In December 2019, popular document database MongoDB added a fairly radical new feature to the platform: field-level database encryption. At first glance, one might wonder whether this is a meaningful ...

When working with data files in Excel, you may come across text that's in all upper case. While you can always retype a few entries here and there if you prefer lower case, uncapitalizing a large data ...

Techniques that allow data to be changed without affecting the applications that process it. There are two kinds of data independence. The first type is data independence for data, which is ...

The fundamental data structure in a data processing system. Any unit of data defined for processing is a data element; for example, ACCOUNT NUMBER, NAME, ADDRESS and CITY. A data element is defined by ...