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Database Systems

Database Systems. Dr. Don Goelman. Some History . Early Systems 1960’s: ad-hoc programs give way to DBMSs (IDS – C.W. Bachman) 1970’s: two big developments Systematization of the network model (CODASYL/DBTG) Introduction of relational model (E.F. Codd, CACM). Hierarchical IMS S2K

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Database Systems

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  1. Database Systems Dr. Don Goelman

  2. Some History • Early Systems • 1960’s: ad-hoc programs give way to DBMSs (IDS – C.W. Bachman) • 1970’s: two big developments • Systematization of the network model (CODASYL/DBTG) • Introduction of relational model (E.F. Codd, CACM)

  3. Hierarchical IMS S2K Network IDS IDMS Total Adabas DMS2 Relational System R Ingres QBE Oracle Access Sybase Foxpro DB2 Informix Three classical “Record Based”Models

  4. Object ObjectStore Objectivity O2 Versant Object-Relational UniSQL Oracle8 Informix Univ. Server Illustra PostGRES Two Modern Models

  5. Current Areas of Exploration • ODBs and Object/Relational DBs • Distributed Databases • Client Server Architecure • GUIs • Data Warehouses • Data Mining • DB over the Web

  6. Literature • ACM TODS • ACM SIGMOD Record • IEEE Transactions on Knowledge and Data Engineering • Intelligent Enterprise

  7. DB Systems: A Brief Time LinePre 1960’s

  8. The 1960’s

  9. 1960’s continued

  10. The 1970’s

  11. 1970’s continued

  12. More 1970’s

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