Distributed Database Management Systems: Lecture 28

30 6 0
Distributed Database Management Systems: Lecture 28

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

Thông tin tài liệu

Distributed Database Management Systems: Lecture 28. The main topics covered in this chapter include: serializability theory; serializability theory in DDBS; equivalent schedules; serializable schedule; fragmented databases; replicated databases;...

Distributed Database Management Systems Lecture 28 In the previous lecture • Types of Transaction • Transaction in DDBS • Serial Transactions • Conflicting Ops/Tr In this Lecture • Serializability Theory • Serializability Theory in DDBS Equivalent Schedules Two schedules S1, S2 defined over same T are equivalent if they have same effect on the database, that is, leave database in same final state • Formally, if for each pair of conflicting operations Oij and Okl (i ≠ k) if Oij

Ngày đăng: 05/07/2022, 13:40

Mục lục

    Distributed Database Management Systems

    In the previous lecture

    Locking based Concurrency Control

Tài liệu cùng người dùng

Tài liệu liên quan