| BCS Query Language | ⊕ 1980 | ↓ ↑ ⊕ Business Data Processing | Network DB | ⊕ United Kingdom | |
| CQLF | ⊕ 1982 | ↓ ↑ ⊕ Business Data Processing | Network DB | ⊕ United States | Networked query lagnuage |
| FQL | ⊕ 1982 | ↓ ↑ ⊕ Business Data Processing | Network DB | ⊕ United States | Functional query language |
| MDBS-QRS | ↓ ↑ ⊕ Business Data Processing | Network DB | ⊕ United States | ||
| NOAH | ⊕ 1982 | ↓ ↑ ⊕ Business Data Processing | Network DB | ⊕ United States | Network query language featuring inheritance |
| NUL | ⊕ 1976 | ↓ ↑ ⊕ Business Data Processing | Network DB | ⊕ Belgium | Network database language |
| QRP | ⊕ 1980 | ↓ ↑ ⊕ Business Data Processing | Network DB | ⊕ United States | Honeywell query language |
| QUERYMASTER | ⊕ 1982 | ↓ ↑ ⊕ Business Data Processing | Network DB | ⊕ United States |