一对多

• The primary key side of a one - to - many relationship is denoted by a key symbol
  一对多关系的主键方由键符号表示。
• Oltp oltp one - to - many relationship
  一对多关系
• One - to - many relationships
  一对多关系
• The parent table is the table on the " one " side of a one - to - many relationship
  （父表是一对多关系中与“一”相对应的表。 ）
• One - to - many relation
  一对多关系。
• One - to - many relationship
  一对多关系
• The child table contains records on the " many " side of a one - to - many relationship
  子表中包含一对多关系中“多”一侧的记录。
• The parent table contains records on the " one " side of a one - to - many relationship
  父表包含一对多关系中的“一”一侧的记录。
• It may also aggregate and disaggregate messages in a one - to - many relationship
  它还可以对一对多关系中的消息进行聚合和反聚合。
• You ' ll note that i don ' t show the reverse multiplicities in figure 5 . 4
  可能你注意到，在图5 . 4中，我没有显示反向的一对多关系。