Database concepts

JAMB Computer Studies Revision Notes

  • Databases and Data Analysis
  • 2 min read
  • Checked by imtiaz ahmed

What a database and a DBMS are, tables, records and fields, primary and other keys, data types, validation, and why databases are better than separate files for shared data.

In these notes
  1. Databases and DBMS
  2. Tables, records and fields
  3. Keys
  4. Data types and validation
  5. Database objects in Microsoft Access
  6. Why use a database?

Revision notes come with the Complete plan

Complete gives you:

  • All 11 JAMB subjects currently available on GRO Academy
  • 26,964 practice questions, each with an explanation
  • Performance tracking: your results saved, with your weakest topics first
  • Full CBT mock exams, scored out of 400 like the UTME
  • Revision notes for every topic
  • Curriculum checklists for every subject
  • Past papers

Complete: ₦24,000 for 3 months, ₦10,000 a month or ₦108,000 a year.

See the plans Sign in

Practise this topic

All Computer Studies notes
  1. Computer Fundamentals
    1. History and evolution of computing
    2. Classification and uses of computers
    3. Data, information and data processing
    4. The computer system: input, processing and output
    5. Memory and storage
    6. Maintenance, safety and troubleshooting
  2. Software and Operating Systems
    1. System and application software
    2. Operating systems and file management
  3. Data Representation and Logic
    1. Number systems and base conversion
    2. Binary arithmetic and data representation
    3. Logic gates and truth tables
  4. Algorithms and Programming
    1. Algorithms, pseudocode and flowcharts
    2. Programming languages and translators
    3. Variables, data types and operators
    4. Selection and iteration
    5. Functions, arrays and modular programming
    6. Debugging, testing and dry runs
    7. Software development life cycle
  5. Application Packages
    1. Word processing
    2. Spreadsheet fundamentals
    3. Spreadsheet functions and charts
    4. Presentation, graphics and multimedia
  6. Databases and Data Analysis
    1. Database concepts
    2. Queries and relational databases
    3. Data collection and analysis
  7. Networks and the Internet
    1. Computer networks
    2. Internet protocols and addressing
    3. The internet, the web and online services
    4. Web design and publishing
  8. Security, Ethics and Society
    1. Digital citizenship and safe communication
    2. Cybersecurity threats and protection
    3. Authentication and privacy
    4. Computer ethics, law and health
    5. ICT careers and entrepreneurship