| Abbreviation | Definition |
|---|---|
| MMAD | Mass Mobilization in Autocracies Database |
| MMCD | Madison Metabolomics Consortium Database |
| MMDB | Main Memory DataBase |
| MMDD | Medieval Mediterranean Diasporas Database |
| MMF | Memory Mapped File |
| MML | Meta Module List |
| MND | Magick New Database |
| MOAC | Multi-Organization Access Control |
| MOAD | Mother Of All Databases |
| MOB | Memory Organization Benchmark |
| MODS | Metadata Object Description Schema |
| MOLD | Mastitis Open Linked Database |
| MOMD | Medication Order Management Database |
| MOO | Multi-Object Oriented |
| MOS | Metadata Organization System |
| MPCD | Marseille Protein Crystallization Database |
| MPCD | Multi Payer Claims Database |
| MPRD | Material Properties Reference Database |
| MPS | Main Production Schema |
| MQL | Matrix Query Language |