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Truncate , Drop , Delete문의 비교

_________Delete___Truncate___Drop__
구조                    O                        O                        X
데이터              X                        X                        X
Rollback        O                        X                        X

#  Drop문은  Table의  구조  및  데이터  전부가  삭제된다
    Truncate문은  Table의  구조만  남게  되고,  Rollback이  되지  않는다
    Delete문은  Table의  구조만  남지만,  Rollback이  가능하다.

#  Truncate와  Delete의  차이점
      Truncate는  Rollback이  안된다.
      Delete는  Rollback(자료복구)가  된다.
[2008년  04월  03일  09:24:10  수정되었습니다.]

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