DBMSs use databases as their data sources. A spreadsheet, XML file, datasheet or hard-coded values are all examples of data sources for computer programs. Defining a data source is simply describing ...

(1) A file that contains program instructions. See source code. (2) A file that contains original or essential data that is the starting point for a system of publishing or other processing.

Sources of data are simply the places from which they come. You can provide a file, a database on a database management system, or even live data. It’s possible that data is stored on the same ...