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Computer Fundamentals by Anita Goel

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12

FUNDAMENTALS OF DATABASE

Contents

  • Database
    • File-oriented approach and database approach
    • Characteristics of database approach
    • Data models, schemas and instances
    • Conceptual data model—Entity, attribute, relationship, and E-R model
    • Representation data model—Hierarchical, network, relational data model
    • Low level, or physical data model
  • Database system
    • Components of database system— Users, software, hardware, and data
    • Architecture of database system—Internal level, conceptual level, and external level
  • Database management system
    • Data independence—Logical data independence, physical data independence
    • Data dictionary, Database Administrator (DBA)
    • Database languages—DDL, and DML
  • Database system architectures—Centralized DBMS architecture, ...

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