Wednesday, 17 September 2014

P1+M1


2 comments:

  1. WWW: You have completed the following:
    Examples of the main features of a database
    Descriptions of data types.
    Relationship examples.
    Paper records versus electronic databases.
    Interfaces examples and benefits (Forms, Reports and Switchboards).

    ReplyDelete
  2. www. M1. You have clearly explained the purpose of primary and foreign keys here, and the concept of referential integrity is described accurately.

    ReplyDelete