| AAIMS | ⊕ 1979 | ↓ ↑ ⊕ Business Data Processing | ⊕ Array | ⊕ United States | Array-based querying system |
| Astral | ⊕ 1979 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | Database language | |
| BEST1 | ⊕ 1979 | ↓ ↑ ⊕ Business Data Processing | ⊕ Report Generators | ⊕ United States | BESTOP outputting PL/I |
| FOCUS | ⊕ 1979 | ↓ ↑ ⊕ Business Data Processing | ⊕ Hierarchical DB | ⊕ United States | Hierarchical database language |
| HYPOL | ⊕ 1979 | ↓ ↑ ⊕ Business Data Processing | ⊕ Labelled Matrix | ⊕ India | Integrated DB language |
| QUEST | ⊕ 1979 | ↓ ↑ ⊕ Business Data Processing | ⊕ Other DPLs | ⊕ United States | Hybrid query language |
| Rigel | ⊕ 1979 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | ||
| Theseus | ⊕ 1979 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States |