Development History of Database 。l.W.Backman62年： IDS-Integrated Data Store 2.System Development Corporation 63---Development and Management of a Com- ● puter_Centered Database 65---Development and Management of a Com- puter Centered Database 2 Development History of Database • 1.W.Backman 62 年： • IDS—Integrated Data Store • 2. System Development Corporation • 63---Development and Management of a Com- • puter_Centered Database • 65---Development and Management of a Com- • puter_Centered Database