Definition

1-1(one-to-one), One-to-many (1-M), Many-to-Many (M-M)

1-1(one-to-one) is a relationship between two entities.

One-t- Many (1-M) is a relationship in which each node can have only one parent, but can have multiple children, that means an entity can have multiple relationships with other entitles in the database.

Many-to-many (M-M) is a relationship in which a record can have multiple parents and multiple children (every entity can be related to a number of entities).

Share it:  Cite

More from this Section

  • Baseband
    Baseband transmits digital signals directly over the network; can transmit only one signal ...
  • Computer vision
    Computer vision is a field of study that endows computers with the ability to recognize ...
  • File transfer protocol (fip)
    File transfer protocol (fip), which was one of the first tools on the internet, allows ...
  • Strategic business plan
    The strategy that a company chooses to follow in order to capture and retain markets and ...
  • Pyramid structure
    Pyramid or hierarchical structure is one of the popular and traditional organizational ...