| Subject | English | Chinese simplified |
| comp., MS | data extension | 数据扩展插件 (A plug-in that processes data for a specific kind of data source. For example, Microsoft OLE DB Provider for DB2) |
| comp., MS | data mining extension | 数据挖掘扩展插件 (In Analysis Services, a statement that performs mining tasks programmatically) |
| comp., MS | data processing extension | 数据处理扩展插件 (A plug-in that processes data for a specific kind of data source (similar to a database driver)) |