主键

• To indicate that the constraint is a primary key ; otherwise ,
  若要指示约束是主键，则为
• Snapshot replication does not require a primary key
  快照复制不需要主键。
• We recommend that you always create indexes on primary keys
  建议始终对主键创建索引。
• This is similar to a primary key foreign key relationship
  此关系类似于主键/外键关系。
• Alternative way of creating a primary key and foreign key
  另外一种建立主键和外键的方式
• Collection , passing the primary key as a parameter
  方法，同时将主键作为参数传递给它。
• Describes how to create a logical primary key on a table
  说明如何在表中创建逻辑主键。
• Gets the row specified by the primary key value
  获取由主键值指定的行。
• How to implement a db2 udb primary key with a surrogate key
  如何用代理键实现db2 udb主键
• All data tables should have a primary key
  所有的数据表都应有一个主键。