| Abbreviation | Definition |
|---|---|
| ADO | Active Data Objct |
| ADO | Active Data Object |
| ADODB | Active Data Objects Data Base |
| ADODC | Activex Data Objects Data Control |
| ADP | Access Data Project |
| ADReM | Advanced Database Research and Modeling |
| ADRG | Advanced Database Research Group |
| ADS | Advanced Database Systems |
| ADSA | Advanced Database Systems and Application |
| ADSD | Asiago Database of Spectroscopic Databases |
| ADSF | Alertness Data Standard Format |
| ADW | Active Data Warehousing |
| AE | Attribute Editor |
| AED | Add, Edit, and Delete |
| AF | Antistropic Filtering |
| AFFM | Adaptive Fuzzy Feature Map |
| AGSD | Animal Genome Size Database |
| AHD | Affordable Housing Database |
| AHLTA | Armed Forces Health Longitudinal Technology Application |
| AI | Abstracting and Indexing |