This module is offered in 2023-24.


The aims of this module are:

  • To study data models, query languages, database design, integrity, security and programmatic access to databases.
  • To study database system implementation, storage and access, query processing, transactions, concurrency and recovery.

Learning Outcomes

On successful completion of this module, the student should:

  • Be aware of the models for structuring data in database systems.
  • Have an understanding of the techniques for accessing databases from programming languages and websites.
  • Have an understanding of the techniques for the implementation of database systems.


  • Data models:
    • Entity-relationship model, object model, relational model, SQL.
  • Security & integrity:
    • Violation, authorisation and views, integrity constraints.
  • Database connection:
    • Binding models, ODBC, JDBC, web databases.
  • Storage & access:
    • File organisation, index structures, static and dynamic hash functions, multiple key access. Query interpretation, cost estimation, join stategies, clustering.
  • Transactions, concurrency & recovery:
    • Transactions, ACID properties. Serialisability, locks and timestamps, deadlock. Logging, checkpoints, shadow paging.

Compulsory Elements

This module has no compulsory elements beyond those common to all modules (mark of 4 in each assessment component).

Module Delivery

Module Coordinator

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Last Published: 25 Jan 2024.