| Abbreviation | Definition |
|---|---|
| MVBD | Merz Virtual Bioactivity Database |
| MVD | Microscopy Vendors Database |
| MVD | Mobile Vulnerability Database |
| MVD | Multi-Value Dependencies |
| MVD | Multivalued Dependencies |
| MySQL | My Software Query Language |
| MySQL | My Structured Query Language |
| MYSQLI | My Structured Query Language improved |
| NAD | Name and Address Data |
| NADM | Near-line Archive Data Mining |
| NADRA | National And Database Registration Authority |
| NAPD | North American Pollen Database |
| NARD | Northeast Asian Reference Database |
| NASD | National Ag Safety Database |
| NASD | National Agricultural Safety Database |
| NASS | National Automotive Sampling System |
| NAV | Non-Available Value |
| NBDB | National Biodiversity Data Bank |
| NC | No Clobber |
| NC | No Column |