Add an AutoNumber primary key

 
       
  • 添加“自动编号”主键

Add an AutoNumber primary key的用法和样例:

例句

  1. Add or drop PRIMARY KEY or UNIQUE constraints.
    添加或删除PRIMARY KEY或UNIQUE约束。
  2. I try to add an element of suspense and mystery to my novel.
    我试图给我的小说增加一点悬念和神秘的色彩。
  3. For example, to represent a one-to-many relationship you take the primary key from the "one" table and add it as an additional field to the "many" table.
    例如,为表示一对多关系,您从“一方”表中获得主键,将其作为额外字段添加到“多方”表。
  4. If you don't have in mind a column or set of columns that might make a good primary key, consider using a column that has the AutoNumber data type.
    如果尚未确定可能成为好的主键的一个或一组列,请考虑使用具有“自动编号”数据类型的列。
  5. If you don't have in mind a field or set of fields that might make a good primary key, consider using a column that has the AutoNumber data type.
    如果想不到可能成为优秀主键的一个字段或字段集,则请考虑使用某一数据类型为“自动编号”的列。

Add an AutoNumber primary key的海词问答与网友补充:

提问补充

Add an AutoNumber primary key的相关资料:

临近单词

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