Historical contribution
What Bachman contributed
Charles Bachman's Integrated Data Store, developed in the early 1960s, assembled direct-access storage, data descriptions, linked records, recovery and manipulation facilities into an early production DBMS. IBM's IMS, developed during the 1960s and released in 1968, organised records hierarchically and supported high-volume operational use. CODASYL network systems formalised navigational.
Why it mattered
Coordinates shared persistent data through logical schemas, queries, controlled updates and recovery without requiring every application to manage physical storage directly.
Connected topics
Where this fits in ITEM
Evidence
Sources and further reading
- Assembling the Integrated Data Store (IDS)
Computer History Museum
- Charles W. Bachman
Computer History Museum
- Information Management System
IBM