Distributed Database

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Distributed Database

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Declaration

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• M.Tamer Ozsu, Patrick Valduricz
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Development Of DataBase
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Development Of DataBase
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Traditional File Processing
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Database Processing
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• ??DBS???????????,????????????????
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  ?????????(DDBS)?
• DDBS?????????????
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• A distributed database (DDBS)
• A collection of multiple, logically interrelated
  databases distributed over a computer network.
• A distributed database management system
  (D-DBMS)
• The software system that permits the management
  of the DDBS and makes the distribution
  transparent to the users.
• A distributed database system (DDBS)
• DDBS DDB D-DBMS

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• ??????????(DDBMS)?????????????????????????DDAMS???
  ?,????????????????????????????????????????????????
  ?(???????????????),??????????????????????
• ???????????????????????????????????????(????)?
• ?????????????????(????)?
• ????DDBMS???????????

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DDBMS
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Distributed Database ( User View )
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Distributed DBMS (Reality)
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??????vs?????

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??????vs??DBMS

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??????vs??DBMS

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??????vs??DBMS

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??????vs??DBMS

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• DDBMS????
• ??DDBMS
• ??DDBMS
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• ?????,???????????DBMS??,??????????????????
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DDBS?????
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2. ????????,???????????????
3. ??????????????????,???????????
4. ?????????????DBMS???????DBMS???????
5. ??????????????,???????????????????????????????????
   ??????

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???DBMS ???DBMS
????? ???DDBMS??????OS????????DBMS???OS?DB ???DBMS?OS?DB
?????? ?????? ?????
??????? (??)????,????,????,???? (??)????,????,????
??????? ???????,?????,???????? ???????
?DBA ??????, ?????? ?????
??? ???DBMS? ??OS?? ?OS??
??? ???? ????
????? ??CPU,??DBMS ??CPU,??DBMS
????? ????,?????? ????(????)
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DDBMS????

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DDBMS????

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