Lecture 02 terminology of database

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Lecture 02 terminology of database

  1. 1. Lecture 2 Database Terminology
  2. 2. Important Definitions <ul><li>Relation </li></ul><ul><li>Entity </li></ul><ul><li>Attributes </li></ul><ul><li>Entity Type </li></ul><ul><li>Tuple </li></ul><ul><li>Domain </li></ul><ul><li>Cardinality </li></ul><ul><li>Degree </li></ul>
  3. 3. Concept of Key <ul><li>Primary Key </li></ul><ul><li>Foreign Key </li></ul><ul><li>Super Key </li></ul><ul><li>Alternate Key </li></ul><ul><li>Candidate Key </li></ul><ul><li>Unique Key </li></ul>

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