History of DBMS

• 1960 Apollo moon-landing project:GUAM

• hierarchiacal structure(IBM IMS)

• about 1965:GE IDS

• network DBMS

• 1970-1980 first commerical relational DBMS

• 1976 IBM System R project:

• SQL language
• DB2 , Oracle 1980s

• OODBMS、ORDBMS:not clear yet!