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End of XQuery DBMS Internals

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CS4432: Database Systems II

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DMBS Internals I

DMBS Internals I. What Should a DBMS Do?. Store large amounts of data Process queries efficiently Allow multiple users to access the database concurrently and safely. Provide durability of the data. How will we do all this??. Generic Architecture. Query update. User/ Application.

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Lecture 16: Data Storage

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What Should a DBMS Do?

What Should a DBMS Do?. Store large amounts of data Process queries efficiently Allow multiple users to access the database concurrently and safely. Provide durability of the data. How will we do all this??. Generic Architecture. Query update. User/ Application. Query compiler.

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External Sorting

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External Sorting

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CS222 /CS122C : Principles of Data Management UCI, Fall 2018 Notes # 09 External Sorting

CS222 /CS122C : Principles of Data Management UCI, Fall 2018 Notes # 09 External Sorting. Instructor: Chen Li. Why Sort?. A classic problem in computer science! ( ? ) Data sometimes requested in sorted order. E.g., find students in decreasing gpa order.

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