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C20.0046: Database Management Systems Lecture #1 - page 13 / 40

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M.P. Johnson, DBMS, Stern/NYU, Sp2004

13

Problems without an DBMS...

3.Large data sets (say 50GB)

Why is this a problem?

No indices

Finding “George” in huge flatfile is expensive

Modifications intractable without better data structures

“George” “Georgie” is very expensive

Deletions are very expensive

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